Home / 10,098.12-15,143.88-3,853.44

Finding the Fourth Proportional to 10,098.12, 15,143.88 and 3,853.44

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Solution

The fourth proportional to 10,098.12, 15,143.88 and 3,853.44 is: 5,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.12 : 15,143.88 = 3,853.44 : x
  2. Step 2: Convert to fraction form
    10,098.12/15,143.88 = 3,853.44/x
  3. Step 3: Cross multiply
    10,098.12x = 15,143.88 × 3,853.44
  4. Step 4: Simplify right side
    10,098.12x = 58,356,032.95
  5. Step 5: Solve for x
    x = 58,356,032.95/10,098.12
  6. Step 6: Final answer
    x = 5,778.90

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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.