Home / 18,142.18-27,224.17-7,753.93

Finding the Fourth Proportional to 18,142.18, 27,224.17 and 7,753.93

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Solution

The fourth proportional to 18,142.18, 27,224.17 and 7,753.93 is: 11,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.18 : 27,224.17 = 7,753.93 : x
  2. Step 2: Convert to fraction form
    18,142.18/27,224.17 = 7,753.93/x
  3. Step 3: Cross multiply
    18,142.18x = 27,224.17 × 7,753.93
  4. Step 4: Simplify right side
    18,142.18x = 211,094,221.04
  5. Step 5: Solve for x
    x = 211,094,221.04/18,142.18
  6. Step 6: Final answer
    x = 11,635.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.