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Finding the Fourth Proportional to 8,862.03, 13,293.05 and 8,320.74

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Solution

The fourth proportional to 8,862.03, 13,293.05 and 8,320.74 is: 12,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.03 : 13,293.05 = 8,320.74 : x
  2. Step 2: Convert to fraction form
    8,862.03/13,293.05 = 8,320.74/x
  3. Step 3: Cross multiply
    8,862.03x = 13,293.05 × 8,320.74
  4. Step 4: Simplify right side
    8,862.03x = 110,608,012.86
  5. Step 5: Solve for x
    x = 110,608,012.86/8,862.03
  6. Step 6: Final answer
    x = 12,481.11

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Similar ratio
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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.