Home / 21,459.18-32,169.18-8,301.64

Finding the Fourth Proportional to 21,459.18, 32,169.18 and 8,301.64

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Solution

The fourth proportional to 21,459.18, 32,169.18 and 8,301.64 is: 12,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.18 : 32,169.18 = 8,301.64 : x
  2. Step 2: Convert to fraction form
    21,459.18/32,169.18 = 8,301.64/x
  3. Step 3: Cross multiply
    21,459.18x = 32,169.18 × 8,301.64
  4. Step 4: Simplify right side
    21,459.18x = 267,056,892.44
  5. Step 5: Solve for x
    x = 267,056,892.44/21,459.18
  6. Step 6: Final answer
    x = 12,444.88

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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.