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Finding the Fourth Proportional to 8,841.36, 13,232.87 and 7,869.36

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Solution

The fourth proportional to 8,841.36, 13,232.87 and 7,869.36 is: 11,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.36 : 13,232.87 = 7,869.36 : x
  2. Step 2: Convert to fraction form
    8,841.36/13,232.87 = 7,869.36/x
  3. Step 3: Cross multiply
    8,841.36x = 13,232.87 × 7,869.36
  4. Step 4: Simplify right side
    8,841.36x = 104,134,217.86
  5. Step 5: Solve for x
    x = 104,134,217.86/8,841.36
  6. Step 6: Final answer
    x = 11,778.08

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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.