Home / 9,387.36-14,059.20-5,681.28

Finding the Fourth Proportional to 9,387.36, 14,059.20 and 5,681.28

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Solution

The fourth proportional to 9,387.36, 14,059.20 and 5,681.28 is: 8,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.36 : 14,059.20 = 5,681.28 : x
  2. Step 2: Convert to fraction form
    9,387.36/14,059.20 = 5,681.28/x
  3. Step 3: Cross multiply
    9,387.36x = 14,059.20 × 5,681.28
  4. Step 4: Simplify right side
    9,387.36x = 79,874,251.78
  5. Step 5: Solve for x
    x = 79,874,251.78/9,387.36
  6. Step 6: Final answer
    x = 8,508.70

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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.