Home / 19,945.20-29,905.92-8,252.04

Finding the Fourth Proportional to 19,945.20, 29,905.92 and 8,252.04

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Solution

The fourth proportional to 19,945.20, 29,905.92 and 8,252.04 is: 12,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.20 : 29,905.92 = 8,252.04 : x
  2. Step 2: Convert to fraction form
    19,945.20/29,905.92 = 8,252.04/x
  3. Step 3: Cross multiply
    19,945.20x = 29,905.92 × 8,252.04
  4. Step 4: Simplify right side
    19,945.20x = 246,784,848.08
  5. Step 5: Solve for x
    x = 246,784,848.08/19,945.20
  6. Step 6: Final answer
    x = 12,373.14

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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.