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Finding the Fourth Proportional to 9,144.35, 13,702.13 and 7,069.44

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Solution

The fourth proportional to 9,144.35, 13,702.13 and 7,069.44 is: 10,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.35 : 13,702.13 = 7,069.44 : x
  2. Step 2: Convert to fraction form
    9,144.35/13,702.13 = 7,069.44/x
  3. Step 3: Cross multiply
    9,144.35x = 13,702.13 × 7,069.44
  4. Step 4: Simplify right side
    9,144.35x = 96,866,350.56
  5. Step 5: Solve for x
    x = 96,866,350.56/9,144.35
  6. Step 6: Final answer
    x = 10,593.03

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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.