Home / 18,387.48-27,581.28-5,060.66

Finding the Fourth Proportional to 18,387.48, 27,581.28 and 5,060.66

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Solution

The fourth proportional to 18,387.48, 27,581.28 and 5,060.66 is: 7,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.48 : 27,581.28 = 5,060.66 : x
  2. Step 2: Convert to fraction form
    18,387.48/27,581.28 = 5,060.66/x
  3. Step 3: Cross multiply
    18,387.48x = 27,581.28 × 5,060.66
  4. Step 4: Simplify right side
    18,387.48x = 139,579,342.54
  5. Step 5: Solve for x
    x = 139,579,342.54/18,387.48
  6. Step 6: Final answer
    x = 7,591.00

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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.