Home / 9,301.27-12,839.12-6,158.47

Finding the Fourth Proportional to 9,301.27, 12,839.12 and 6,158.47

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Solution

The fourth proportional to 9,301.27, 12,839.12 and 6,158.47 is: 8,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.27 : 12,839.12 = 6,158.47 : x
  2. Step 2: Convert to fraction form
    9,301.27/12,839.12 = 6,158.47/x
  3. Step 3: Cross multiply
    9,301.27x = 12,839.12 × 6,158.47
  4. Step 4: Simplify right side
    9,301.27x = 79,069,295.55
  5. Step 5: Solve for x
    x = 79,069,295.55/9,301.27
  6. Step 6: Final answer
    x = 8,500.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.