Home / 21,540.18-32,314.14-8,882.91

Finding the Fourth Proportional to 21,540.18, 32,314.14 and 8,882.91

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Solution

The fourth proportional to 21,540.18, 32,314.14 and 8,882.91 is: 13,325.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540.18 : 32,314.14 = 8,882.91 : x
  2. Step 2: Convert to fraction form
    21,540.18/32,314.14 = 8,882.91/x
  3. Step 3: Cross multiply
    21,540.18x = 32,314.14 × 8,882.91
  4. Step 4: Simplify right side
    21,540.18x = 287,043,597.35
  5. Step 5: Solve for x
    x = 287,043,597.35/21,540.18
  6. Step 6: Final answer
    x = 13,325.96

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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.