Home / 16,212.59-22,372.04-9,140.75

Finding the Fourth Proportional to 16,212.59, 22,372.04 and 9,140.75

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Solution

The fourth proportional to 16,212.59, 22,372.04 and 9,140.75 is: 12,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.59 : 22,372.04 = 9,140.75 : x
  2. Step 2: Convert to fraction form
    16,212.59/22,372.04 = 9,140.75/x
  3. Step 3: Cross multiply
    16,212.59x = 22,372.04 × 9,140.75
  4. Step 4: Simplify right side
    16,212.59x = 204,497,178.93
  5. Step 5: Solve for x
    x = 204,497,178.93/16,212.59
  6. Step 6: Final answer
    x = 12,613.48

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Half scale
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Double scale
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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.