Home / 16,440.28-22,687.10-8,988.12

Finding the Fourth Proportional to 16,440.28, 22,687.10 and 8,988.12

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Solution

The fourth proportional to 16,440.28, 22,687.10 and 8,988.12 is: 12,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.28 : 22,687.10 = 8,988.12 : x
  2. Step 2: Convert to fraction form
    16,440.28/22,687.10 = 8,988.12/x
  3. Step 3: Cross multiply
    16,440.28x = 22,687.10 × 8,988.12
  4. Step 4: Simplify right side
    16,440.28x = 203,914,377.25
  5. Step 5: Solve for x
    x = 203,914,377.25/16,440.28
  6. Step 6: Final answer
    x = 12,403.34

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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.