Home / 22,908.38-34,352.85-8,121.02

Finding the Fourth Proportional to 22,908.38, 34,352.85 and 8,121.02

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Solution

The fourth proportional to 22,908.38, 34,352.85 and 8,121.02 is: 12,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.38 : 34,352.85 = 8,121.02 : x
  2. Step 2: Convert to fraction form
    22,908.38/34,352.85 = 8,121.02/x
  3. Step 3: Cross multiply
    22,908.38x = 34,352.85 × 8,121.02
  4. Step 4: Simplify right side
    22,908.38x = 278,980,181.91
  5. Step 5: Solve for x
    x = 278,980,181.91/22,908.38
  6. Step 6: Final answer
    x = 12,178.08

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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.