Home / 18,489.17-27,728.28-5,341.66

Finding the Fourth Proportional to 18,489.17, 27,728.28 and 5,341.66

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Solution

The fourth proportional to 18,489.17, 27,728.28 and 5,341.66 is: 8,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489.17 : 27,728.28 = 5,341.66 : x
  2. Step 2: Convert to fraction form
    18,489.17/27,728.28 = 5,341.66/x
  3. Step 3: Cross multiply
    18,489.17x = 27,728.28 × 5,341.66
  4. Step 4: Simplify right side
    18,489.17x = 148,115,044.14
  5. Step 5: Solve for x
    x = 148,115,044.14/18,489.17
  6. Step 6: Final answer
    x = 8,010.91

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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.