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Finding the Fourth Proportional to 9,044.95, 13,578.98 and 8,951.80

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Solution

The fourth proportional to 9,044.95, 13,578.98 and 8,951.80 is: 13,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.95 : 13,578.98 = 8,951.80 : x
  2. Step 2: Convert to fraction form
    9,044.95/13,578.98 = 8,951.80/x
  3. Step 3: Cross multiply
    9,044.95x = 13,578.98 × 8,951.80
  4. Step 4: Simplify right side
    9,044.95x = 121,556,268.41
  5. Step 5: Solve for x
    x = 121,556,268.41/9,044.95
  6. Step 6: Final answer
    x = 13,439.13

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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.