Home / 12,484.38-18,717.34-5,902.88

Finding the Fourth Proportional to 12,484.38, 18,717.34 and 5,902.88

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Solution

The fourth proportional to 12,484.38, 18,717.34 and 5,902.88 is: 8,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.38 : 18,717.34 = 5,902.88 : x
  2. Step 2: Convert to fraction form
    12,484.38/18,717.34 = 5,902.88/x
  3. Step 3: Cross multiply
    12,484.38x = 18,717.34 × 5,902.88
  4. Step 4: Simplify right side
    12,484.38x = 110,486,122.96
  5. Step 5: Solve for x
    x = 110,486,122.96/12,484.38
  6. Step 6: Final answer
    x = 8,849.95

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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.