Home / 12,323.42-18,486.79-4,000.73

Finding the Fourth Proportional to 12,323.42, 18,486.79 and 4,000.73

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Solution

The fourth proportional to 12,323.42, 18,486.79 and 4,000.73 is: 6,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.42 : 18,486.79 = 4,000.73 : x
  2. Step 2: Convert to fraction form
    12,323.42/18,486.79 = 4,000.73/x
  3. Step 3: Cross multiply
    12,323.42x = 18,486.79 × 4,000.73
  4. Step 4: Simplify right side
    12,323.42x = 73,960,691.57
  5. Step 5: Solve for x
    x = 73,960,691.57/12,323.42
  6. Step 6: Final answer
    x = 6,001.64

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1.5x scale

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.