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Finding the Fourth Proportional to 8,979.66, 13,499.73 and 7,348.05

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Solution

The fourth proportional to 8,979.66, 13,499.73 and 7,348.05 is: 11,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.66 : 13,499.73 = 7,348.05 : x
  2. Step 2: Convert to fraction form
    8,979.66/13,499.73 = 7,348.05/x
  3. Step 3: Cross multiply
    8,979.66x = 13,499.73 × 7,348.05
  4. Step 4: Simplify right side
    8,979.66x = 99,196,691.03
  5. Step 5: Solve for x
    x = 99,196,691.03/8,979.66
  6. Step 6: Final answer
    x = 11,046.82

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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.