Home / 9,301.80-13,952.70-5,615.40

Finding the Fourth Proportional to 9,301.80, 13,952.70 and 5,615.40

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Solution

The fourth proportional to 9,301.80, 13,952.70 and 5,615.40 is: 8,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.80 : 13,952.70 = 5,615.40 : x
  2. Step 2: Convert to fraction form
    9,301.80/13,952.70 = 5,615.40/x
  3. Step 3: Cross multiply
    9,301.80x = 13,952.70 × 5,615.40
  4. Step 4: Simplify right side
    9,301.80x = 78,349,991.58
  5. Step 5: Solve for x
    x = 78,349,991.58/9,301.80
  6. Step 6: Final answer
    x = 8,423.10

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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.