Home / 16,743.56-25,081.32-13,438.76

Finding the Fourth Proportional to 16,743.56, 25,081.32 and 13,438.76

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Solution

The fourth proportional to 16,743.56, 25,081.32 and 13,438.76 is: 20,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.56 : 25,081.32 = 13,438.76 : x
  2. Step 2: Convert to fraction form
    16,743.56/25,081.32 = 13,438.76/x
  3. Step 3: Cross multiply
    16,743.56x = 25,081.32 × 13,438.76
  4. Step 4: Simplify right side
    16,743.56x = 337,061,839.96
  5. Step 5: Solve for x
    x = 337,061,839.96/16,743.56
  6. Step 6: Final answer
    x = 20,130.83

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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.