Home / 16,224.57-22,390.43-9,151.11

Finding the Fourth Proportional to 16,224.57, 22,390.43 and 9,151.11

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Solution

The fourth proportional to 16,224.57, 22,390.43 and 9,151.11 is: 12,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,224.57 : 22,390.43 = 9,151.11 : x
  2. Step 2: Convert to fraction form
    16,224.57/22,390.43 = 9,151.11/x
  3. Step 3: Cross multiply
    16,224.57x = 22,390.43 × 9,151.11
  4. Step 4: Simplify right side
    16,224.57x = 204,897,242.12
  5. Step 5: Solve for x
    x = 204,897,242.12/16,224.57
  6. Step 6: Final answer
    x = 12,628.82

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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.