Home / 21,600.88-32,402.30-8,456.33

Finding the Fourth Proportional to 21,600.88, 32,402.30 and 8,456.33

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Solution

The fourth proportional to 21,600.88, 32,402.30 and 8,456.33 is: 12,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.88 : 32,402.30 = 8,456.33 : x
  2. Step 2: Convert to fraction form
    21,600.88/32,402.30 = 8,456.33/x
  3. Step 3: Cross multiply
    21,600.88x = 32,402.30 × 8,456.33
  4. Step 4: Simplify right side
    21,600.88x = 274,004,580.28
  5. Step 5: Solve for x
    x = 274,004,580.28/21,600.88
  6. Step 6: Final answer
    x = 12,684.88

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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.