Home / 15,344.11-21,175.98-9,376.92

Finding the Fourth Proportional to 15,344.11, 21,175.98 and 9,376.92

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Solution

The fourth proportional to 15,344.11, 21,175.98 and 9,376.92 is: 12,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.11 : 21,175.98 = 9,376.92 : x
  2. Step 2: Convert to fraction form
    15,344.11/21,175.98 = 9,376.92/x
  3. Step 3: Cross multiply
    15,344.11x = 21,175.98 × 9,376.92
  4. Step 4: Simplify right side
    15,344.11x = 198,565,487.96
  5. Step 5: Solve for x
    x = 198,565,487.96/15,344.11
  6. Step 6: Final answer
    x = 12,940.83

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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.