Home / 18,506.52-27,758.25-9,621.90

Finding the Fourth Proportional to 18,506.52, 27,758.25 and 9,621.90

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Solution

The fourth proportional to 18,506.52, 27,758.25 and 9,621.90 is: 14,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.52 : 27,758.25 = 9,621.90 : x
  2. Step 2: Convert to fraction form
    18,506.52/27,758.25 = 9,621.90/x
  3. Step 3: Cross multiply
    18,506.52x = 27,758.25 × 9,621.90
  4. Step 4: Simplify right side
    18,506.52x = 267,087,105.68
  5. Step 5: Solve for x
    x = 267,087,105.68/18,506.52
  6. Step 6: Final answer
    x = 14,432.05

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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.