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Finding the Fourth Proportional to 9,375.73, 12,948.19 and 8,110.71

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Solution

The fourth proportional to 9,375.73, 12,948.19 and 8,110.71 is: 11,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.73 : 12,948.19 = 8,110.71 : x
  2. Step 2: Convert to fraction form
    9,375.73/12,948.19 = 8,110.71/x
  3. Step 3: Cross multiply
    9,375.73x = 12,948.19 × 8,110.71
  4. Step 4: Simplify right side
    9,375.73x = 105,018,993.84
  5. Step 5: Solve for x
    x = 105,018,993.84/9,375.73
  6. Step 6: Final answer
    x = 11,201.16

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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.