Home / 21,508.06-32,249.52-8,345.04

Finding the Fourth Proportional to 21,508.06, 32,249.52 and 8,345.04

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Solution

The fourth proportional to 21,508.06, 32,249.52 and 8,345.04 is: 12,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508.06 : 32,249.52 = 8,345.04 : x
  2. Step 2: Convert to fraction form
    21,508.06/32,249.52 = 8,345.04/x
  3. Step 3: Cross multiply
    21,508.06x = 32,249.52 × 8,345.04
  4. Step 4: Simplify right side
    21,508.06x = 269,123,534.38
  5. Step 5: Solve for x
    x = 269,123,534.38/21,508.06
  6. Step 6: Final answer
    x = 12,512.68

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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.