Home / 12,582.92-18,877.12-3,818.52

Finding the Fourth Proportional to 12,582.92, 18,877.12 and 3,818.52

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Solution

The fourth proportional to 12,582.92, 18,877.12 and 3,818.52 is: 5,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.92 : 18,877.12 = 3,818.52 : x
  2. Step 2: Convert to fraction form
    12,582.92/18,877.12 = 3,818.52/x
  3. Step 3: Cross multiply
    12,582.92x = 18,877.12 × 3,818.52
  4. Step 4: Simplify right side
    12,582.92x = 72,082,546.78
  5. Step 5: Solve for x
    x = 72,082,546.78/12,582.92
  6. Step 6: Final answer
    x = 5,728.60

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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.