Home / 21,645.33-32,468.92-8,500.55

Finding the Fourth Proportional to 21,645.33, 32,468.92 and 8,500.55

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Solution

The fourth proportional to 21,645.33, 32,468.92 and 8,500.55 is: 12,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.33 : 32,468.92 = 8,500.55 : x
  2. Step 2: Convert to fraction form
    21,645.33/32,468.92 = 8,500.55/x
  3. Step 3: Cross multiply
    21,645.33x = 32,468.92 × 8,500.55
  4. Step 4: Simplify right side
    21,645.33x = 276,003,677.91
  5. Step 5: Solve for x
    x = 276,003,677.91/21,645.33
  6. Step 6: Final answer
    x = 12,751.19

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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.