Home / 21,648.20-32,475.72-9,168.30

Finding the Fourth Proportional to 21,648.20, 32,475.72 and 9,168.30

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Solution

The fourth proportional to 21,648.20, 32,475.72 and 9,168.30 is: 13,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648.20 : 32,475.72 = 9,168.30 : x
  2. Step 2: Convert to fraction form
    21,648.20/32,475.72 = 9,168.30/x
  3. Step 3: Cross multiply
    21,648.20x = 32,475.72 × 9,168.30
  4. Step 4: Simplify right side
    21,648.20x = 297,747,143.68
  5. Step 5: Solve for x
    x = 297,747,143.68/21,648.20
  6. Step 6: Final answer
    x = 13,753.90

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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.