Home / 21,588.60-32,387.27-9,108.66

Finding the Fourth Proportional to 21,588.60, 32,387.27 and 9,108.66

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Solution

The fourth proportional to 21,588.60, 32,387.27 and 9,108.66 is: 13,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.60 : 32,387.27 = 9,108.66 : x
  2. Step 2: Convert to fraction form
    21,588.60/32,387.27 = 9,108.66/x
  3. Step 3: Cross multiply
    21,588.60x = 32,387.27 × 9,108.66
  4. Step 4: Simplify right side
    21,588.60x = 295,004,575.72
  5. Step 5: Solve for x
    x = 295,004,575.72/21,588.60
  6. Step 6: Final answer
    x = 13,664.83

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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.