Home / 18,077.85-27,132.84-15,134.58

Finding the Fourth Proportional to 18,077.85, 27,132.84 and 15,134.58

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Solution

The fourth proportional to 18,077.85, 27,132.84 and 15,134.58 is: 22,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.85 : 27,132.84 = 15,134.58 : x
  2. Step 2: Convert to fraction form
    18,077.85/27,132.84 = 15,134.58/x
  3. Step 3: Cross multiply
    18,077.85x = 27,132.84 × 15,134.58
  4. Step 4: Simplify right side
    18,077.85x = 410,644,137.61
  5. Step 5: Solve for x
    x = 410,644,137.61/18,077.85
  6. Step 6: Final answer
    x = 22,715.32

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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.