Home / 23,147.04-31,921.92-15,186.24

Finding the Fourth Proportional to 23,147.04, 31,921.92 and 15,186.24

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Solution

The fourth proportional to 23,147.04, 31,921.92 and 15,186.24 is: 20,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.04 : 31,921.92 = 15,186.24 : x
  2. Step 2: Convert to fraction form
    23,147.04/31,921.92 = 15,186.24/x
  3. Step 3: Cross multiply
    23,147.04x = 31,921.92 × 15,186.24
  4. Step 4: Simplify right side
    23,147.04x = 484,773,938.38
  5. Step 5: Solve for x
    x = 484,773,938.38/23,147.04
  6. Step 6: Final answer
    x = 20,943.24

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Half scale
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Double scale
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Similar ratio
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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.