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Finding the Fourth Proportional to 8,816, 12,176.32 and 5,866.88

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Solution

The fourth proportional to 8,816, 12,176.32 and 5,866.88 is: 8,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816 : 12,176.32 = 5,866.88 : x
  2. Step 2: Convert to fraction form
    8,816/12,176.32 = 5,866.88/x
  3. Step 3: Cross multiply
    8,816x = 12,176.32 × 5,866.88
  4. Step 4: Simplify right side
    8,816x = 71,437,008.28
  5. Step 5: Solve for x
    x = 71,437,008.28/8,816
  6. Step 6: Final answer
    x = 8,103.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.