Home / 16,145.62-22,278.54-9,070.69

Finding the Fourth Proportional to 16,145.62, 22,278.54 and 9,070.69

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Solution

The fourth proportional to 16,145.62, 22,278.54 and 9,070.69 is: 12,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.62 : 22,278.54 = 9,070.69 : x
  2. Step 2: Convert to fraction form
    16,145.62/22,278.54 = 9,070.69/x
  3. Step 3: Cross multiply
    16,145.62x = 22,278.54 × 9,070.69
  4. Step 4: Simplify right side
    16,145.62x = 202,081,729.99
  5. Step 5: Solve for x
    x = 202,081,729.99/16,145.62
  6. Step 6: Final answer
    x = 12,516.20

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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.