Home / 11,753.43-17,630.28-2,988.12

Finding the Fourth Proportional to 11,753.43, 17,630.28 and 2,988.12

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Solution

The fourth proportional to 11,753.43, 17,630.28 and 2,988.12 is: 4,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.43 : 17,630.28 = 2,988.12 : x
  2. Step 2: Convert to fraction form
    11,753.43/17,630.28 = 2,988.12/x
  3. Step 3: Cross multiply
    11,753.43x = 17,630.28 × 2,988.12
  4. Step 4: Simplify right side
    11,753.43x = 52,681,392.27
  5. Step 5: Solve for x
    x = 52,681,392.27/11,753.43
  6. Step 6: Final answer
    x = 4,482.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.