Home / 8,432.16-12,648.98-2,192.14

Finding the Fourth Proportional to 8,432.16, 12,648.98 and 2,192.14

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Solution

The fourth proportional to 8,432.16, 12,648.98 and 2,192.14 is: 3,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.16 : 12,648.98 = 2,192.14 : x
  2. Step 2: Convert to fraction form
    8,432.16/12,648.98 = 2,192.14/x
  3. Step 3: Cross multiply
    8,432.16x = 12,648.98 × 2,192.14
  4. Step 4: Simplify right side
    8,432.16x = 27,728,335.02
  5. Step 5: Solve for x
    x = 27,728,335.02/8,432.16
  6. Step 6: Final answer
    x = 3,288.40

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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.