Home / 21,612.24-32,432.94-8,462.97

Finding the Fourth Proportional to 21,612.24, 32,432.94 and 8,462.97

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Solution

The fourth proportional to 21,612.24, 32,432.94 and 8,462.97 is: 12,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.24 : 32,432.94 = 8,462.97 : x
  2. Step 2: Convert to fraction form
    21,612.24/32,432.94 = 8,462.97/x
  3. Step 3: Cross multiply
    21,612.24x = 32,432.94 × 8,462.97
  4. Step 4: Simplify right side
    21,612.24x = 274,478,998.23
  5. Step 5: Solve for x
    x = 274,478,998.23/21,612.24
  6. Step 6: Final answer
    x = 12,700.16

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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.