Home / 11,531.84-17,294.88-3,742.88

Finding the Fourth Proportional to 11,531.84, 17,294.88 and 3,742.88

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Solution

The fourth proportional to 11,531.84, 17,294.88 and 3,742.88 is: 5,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.84 : 17,294.88 = 3,742.88 : x
  2. Step 2: Convert to fraction form
    11,531.84/17,294.88 = 3,742.88/x
  3. Step 3: Cross multiply
    11,531.84x = 17,294.88 × 3,742.88
  4. Step 4: Simplify right side
    11,531.84x = 64,732,660.45
  5. Step 5: Solve for x
    x = 64,732,660.45/11,531.84
  6. Step 6: Final answer
    x = 5,613.39

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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.