Home / 11,304.40-17,021.26-10,613.20

Finding the Fourth Proportional to 11,304.40, 17,021.26 and 10,613.20

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Solution

The fourth proportional to 11,304.40, 17,021.26 and 10,613.20 is: 15,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,304.40 : 17,021.26 = 10,613.20 : x
  2. Step 2: Convert to fraction form
    11,304.40/17,021.26 = 10,613.20/x
  3. Step 3: Cross multiply
    11,304.40x = 17,021.26 × 10,613.20
  4. Step 4: Simplify right side
    11,304.40x = 180,650,036.63
  5. Step 5: Solve for x
    x = 180,650,036.63/11,304.40
  6. Step 6: Final answer
    x = 15,980.51

Related Problems

Find fourth proportional to 5,652.20, 8,510.63 and 5,306.60
Half scale
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Double scale
Find fourth proportional to 11,305.40, 17,022.77 and 10,614.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.