Home / 15,213.57-22,808.31-9,981.18

Finding the Fourth Proportional to 15,213.57, 22,808.31 and 9,981.18

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Solution

The fourth proportional to 15,213.57, 22,808.31 and 9,981.18 is: 14,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.57 : 22,808.31 = 9,981.18 : x
  2. Step 2: Convert to fraction form
    15,213.57/22,808.31 = 9,981.18/x
  3. Step 3: Cross multiply
    15,213.57x = 22,808.31 × 9,981.18
  4. Step 4: Simplify right side
    15,213.57x = 227,653,847.61
  5. Step 5: Solve for x
    x = 227,653,847.61/15,213.57
  6. Step 6: Final answer
    x = 14,963.87

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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.