Home / 9,331.16-13,989.18-3,486.92

Finding the Fourth Proportional to 9,331.16, 13,989.18 and 3,486.92

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Solution

The fourth proportional to 9,331.16, 13,989.18 and 3,486.92 is: 5,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.16 : 13,989.18 = 3,486.92 : x
  2. Step 2: Convert to fraction form
    9,331.16/13,989.18 = 3,486.92/x
  3. Step 3: Cross multiply
    9,331.16x = 13,989.18 × 3,486.92
  4. Step 4: Simplify right side
    9,331.16x = 48,779,151.53
  5. Step 5: Solve for x
    x = 48,779,151.53/9,331.16
  6. Step 6: Final answer
    x = 5,227.55

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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.