Home / 16,432.20-24,632.10-8,105.40

Finding the Fourth Proportional to 16,432.20, 24,632.10 and 8,105.40

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Solution

The fourth proportional to 16,432.20, 24,632.10 and 8,105.40 is: 12,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,432.20 : 24,632.10 = 8,105.40 : x
  2. Step 2: Convert to fraction form
    16,432.20/24,632.10 = 8,105.40/x
  3. Step 3: Cross multiply
    16,432.20x = 24,632.10 × 8,105.40
  4. Step 4: Simplify right side
    16,432.20x = 199,653,023.34
  5. Step 5: Solve for x
    x = 199,653,023.34/16,432.20
  6. Step 6: Final answer
    x = 12,150.11

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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.