Home / 12,386.20-18,566.26-4,064.04

Finding the Fourth Proportional to 12,386.20, 18,566.26 and 4,064.04

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Solution

The fourth proportional to 12,386.20, 18,566.26 and 4,064.04 is: 6,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.20 : 18,566.26 = 4,064.04 : x
  2. Step 2: Convert to fraction form
    12,386.20/18,566.26 = 4,064.04/x
  3. Step 3: Cross multiply
    12,386.20x = 18,566.26 × 4,064.04
  4. Step 4: Simplify right side
    12,386.20x = 75,454,023.29
  5. Step 5: Solve for x
    x = 75,454,023.29/12,386.20
  6. Step 6: Final answer
    x = 6,091.78

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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.