Home / 12,344.78-17,031.03-8,566.05

Finding the Fourth Proportional to 12,344.78, 17,031.03 and 8,566.05

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Solution

The fourth proportional to 12,344.78, 17,031.03 and 8,566.05 is: 11,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.78 : 17,031.03 = 8,566.05 : x
  2. Step 2: Convert to fraction form
    12,344.78/17,031.03 = 8,566.05/x
  3. Step 3: Cross multiply
    12,344.78x = 17,031.03 × 8,566.05
  4. Step 4: Simplify right side
    12,344.78x = 145,888,654.53
  5. Step 5: Solve for x
    x = 145,888,654.53/12,344.78
  6. Step 6: Final answer
    x = 11,817.84

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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.