Home / 12,418.28-17,137.44-6,753.14

Finding the Fourth Proportional to 12,418.28, 17,137.44 and 6,753.14

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Solution

The fourth proportional to 12,418.28, 17,137.44 and 6,753.14 is: 9,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.28 : 17,137.44 = 6,753.14 : x
  2. Step 2: Convert to fraction form
    12,418.28/17,137.44 = 6,753.14/x
  3. Step 3: Cross multiply
    12,418.28x = 17,137.44 × 6,753.14
  4. Step 4: Simplify right side
    12,418.28x = 115,731,497.80
  5. Step 5: Solve for x
    x = 115,731,497.80/12,418.28
  6. Step 6: Final answer
    x = 9,319.45

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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.