Home / 8,098.78-12,129.27-6,235.11

Finding the Fourth Proportional to 8,098.78, 12,129.27 and 6,235.11

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Solution

The fourth proportional to 8,098.78, 12,129.27 and 6,235.11 is: 9,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.78 : 12,129.27 = 6,235.11 : x
  2. Step 2: Convert to fraction form
    8,098.78/12,129.27 = 6,235.11/x
  3. Step 3: Cross multiply
    8,098.78x = 12,129.27 × 6,235.11
  4. Step 4: Simplify right side
    8,098.78x = 75,627,272.02
  5. Step 5: Solve for x
    x = 75,627,272.02/8,098.78
  6. Step 6: Final answer
    x = 9,338.11

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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.