Home / 21,367.44-32,042.16-8,713.68

Finding the Fourth Proportional to 21,367.44, 32,042.16 and 8,713.68

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Solution

The fourth proportional to 21,367.44, 32,042.16 and 8,713.68 is: 13,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.44 : 32,042.16 = 8,713.68 : x
  2. Step 2: Convert to fraction form
    21,367.44/32,042.16 = 8,713.68/x
  3. Step 3: Cross multiply
    21,367.44x = 32,042.16 × 8,713.68
  4. Step 4: Simplify right side
    21,367.44x = 279,205,128.75
  5. Step 5: Solve for x
    x = 279,205,128.75/21,367.44
  6. Step 6: Final answer
    x = 13,066.85

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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.