Home / 21,403.11-32,113.89-8,264.73

Finding the Fourth Proportional to 21,403.11, 32,113.89 and 8,264.73

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Solution

The fourth proportional to 21,403.11, 32,113.89 and 8,264.73 is: 12,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.11 : 32,113.89 = 8,264.73 : x
  2. Step 2: Convert to fraction form
    21,403.11/32,113.89 = 8,264.73/x
  3. Step 3: Cross multiply
    21,403.11x = 32,113.89 × 8,264.73
  4. Step 4: Simplify right side
    21,403.11x = 265,412,630.10
  5. Step 5: Solve for x
    x = 265,412,630.10/21,403.11
  6. Step 6: Final answer
    x = 12,400.66

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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.