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Finding the Fourth Proportional to 9,110.38, 13,590.08 and 8,841.82

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Solution

The fourth proportional to 9,110.38, 13,590.08 and 8,841.82 is: 13,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.38 : 13,590.08 = 8,841.82 : x
  2. Step 2: Convert to fraction form
    9,110.38/13,590.08 = 8,841.82/x
  3. Step 3: Cross multiply
    9,110.38x = 13,590.08 × 8,841.82
  4. Step 4: Simplify right side
    9,110.38x = 120,161,041.15
  5. Step 5: Solve for x
    x = 120,161,041.15/9,110.38
  6. Step 6: Final answer
    x = 13,189.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.