Home / 16,279.30-22,463.07-9,109.18

Finding the Fourth Proportional to 16,279.30, 22,463.07 and 9,109.18

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Solution

The fourth proportional to 16,279.30, 22,463.07 and 9,109.18 is: 12,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.30 : 22,463.07 = 9,109.18 : x
  2. Step 2: Convert to fraction form
    16,279.30/22,463.07 = 9,109.18/x
  3. Step 3: Cross multiply
    16,279.30x = 22,463.07 × 9,109.18
  4. Step 4: Simplify right side
    16,279.30x = 204,620,147.98
  5. Step 5: Solve for x
    x = 204,620,147.98/16,279.30
  6. Step 6: Final answer
    x = 12,569.35

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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.