Home / 18,341.47-27,508.07-8,972.13

Finding the Fourth Proportional to 18,341.47, 27,508.07 and 8,972.13

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Solution

The fourth proportional to 18,341.47, 27,508.07 and 8,972.13 is: 13,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.47 : 27,508.07 = 8,972.13 : x
  2. Step 2: Convert to fraction form
    18,341.47/27,508.07 = 8,972.13/x
  3. Step 3: Cross multiply
    18,341.47x = 27,508.07 × 8,972.13
  4. Step 4: Simplify right side
    18,341.47x = 246,806,105.67
  5. Step 5: Solve for x
    x = 246,806,105.67/18,341.47
  6. Step 6: Final answer
    x = 13,456.18

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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.