Home / 18,132.76-27,166.92-7,579.52

Finding the Fourth Proportional to 18,132.76, 27,166.92 and 7,579.52

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Solution

The fourth proportional to 18,132.76, 27,166.92 and 7,579.52 is: 11,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.76 : 27,166.92 = 7,579.52 : x
  2. Step 2: Convert to fraction form
    18,132.76/27,166.92 = 7,579.52/x
  3. Step 3: Cross multiply
    18,132.76x = 27,166.92 × 7,579.52
  4. Step 4: Simplify right side
    18,132.76x = 205,912,213.48
  5. Step 5: Solve for x
    x = 205,912,213.48/18,132.76
  6. Step 6: Final answer
    x = 11,355.81

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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.