Home / 12,170.52-18,244.84-4,373.88

Finding the Fourth Proportional to 12,170.52, 18,244.84 and 4,373.88

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Solution

The fourth proportional to 12,170.52, 18,244.84 and 4,373.88 is: 6,556.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.52 : 18,244.84 = 4,373.88 : x
  2. Step 2: Convert to fraction form
    12,170.52/18,244.84 = 4,373.88/x
  3. Step 3: Cross multiply
    12,170.52x = 18,244.84 × 4,373.88
  4. Step 4: Simplify right side
    12,170.52x = 79,800,740.78
  5. Step 5: Solve for x
    x = 79,800,740.78/12,170.52
  6. Step 6: Final answer
    x = 6,556.89

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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.