Home / 8,432.18-12,648.46-2,192.24

Finding the Fourth Proportional to 8,432.18, 12,648.46 and 2,192.24

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Solution

The fourth proportional to 8,432.18, 12,648.46 and 2,192.24 is: 3,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.18 : 12,648.46 = 2,192.24 : x
  2. Step 2: Convert to fraction form
    8,432.18/12,648.46 = 2,192.24/x
  3. Step 3: Cross multiply
    8,432.18x = 12,648.46 × 2,192.24
  4. Step 4: Simplify right side
    8,432.18x = 27,728,459.95
  5. Step 5: Solve for x
    x = 27,728,459.95/8,432.18
  6. Step 6: Final answer
    x = 3,288.41

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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.