Home / 13,387.15-20,081.70-4,026.43

Finding the Fourth Proportional to 13,387.15, 20,081.70 and 4,026.43

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Solution

The fourth proportional to 13,387.15, 20,081.70 and 4,026.43 is: 6,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.15 : 20,081.70 = 4,026.43 : x
  2. Step 2: Convert to fraction form
    13,387.15/20,081.70 = 4,026.43/x
  3. Step 3: Cross multiply
    13,387.15x = 20,081.70 × 4,026.43
  4. Step 4: Simplify right side
    13,387.15x = 80,857,559.33
  5. Step 5: Solve for x
    x = 80,857,559.33/13,387.15
  6. Step 6: Final answer
    x = 6,039.94

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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.