Home / 17,218.40-25,827.60-13,071.20

Finding the Fourth Proportional to 17,218.40, 25,827.60 and 13,071.20

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Solution

The fourth proportional to 17,218.40, 25,827.60 and 13,071.20 is: 19,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.40 : 25,827.60 = 13,071.20 : x
  2. Step 2: Convert to fraction form
    17,218.40/25,827.60 = 13,071.20/x
  3. Step 3: Cross multiply
    17,218.40x = 25,827.60 × 13,071.20
  4. Step 4: Simplify right side
    17,218.40x = 337,597,725.12
  5. Step 5: Solve for x
    x = 337,597,725.12/17,218.40
  6. Step 6: Final answer
    x = 19,606.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.