Home / 12,204-18,306.90-8,937.72

Finding the Fourth Proportional to 12,204, 18,306.90 and 8,937.72

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Solution

The fourth proportional to 12,204, 18,306.90 and 8,937.72 is: 13,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204 : 18,306.90 = 8,937.72 : x
  2. Step 2: Convert to fraction form
    12,204/18,306.90 = 8,937.72/x
  3. Step 3: Cross multiply
    12,204x = 18,306.90 × 8,937.72
  4. Step 4: Simplify right side
    12,204x = 163,621,946.27
  5. Step 5: Solve for x
    x = 163,621,946.27/12,204
  6. Step 6: Final answer
    x = 13,407.24

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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.