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Finding the Fourth Proportional to 12,753.59, 17,599.95 and 7,449.44

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Solution

The fourth proportional to 12,753.59, 17,599.95 and 7,449.44 is: 10,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.59 : 17,599.95 = 7,449.44 : x
  2. Step 2: Convert to fraction form
    12,753.59/17,599.95 = 7,449.44/x
  3. Step 3: Cross multiply
    12,753.59x = 17,599.95 × 7,449.44
  4. Step 4: Simplify right side
    12,753.59x = 131,109,683.53
  5. Step 5: Solve for x
    x = 131,109,683.53/12,753.59
  6. Step 6: Final answer
    x = 10,280.22

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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.