Home / 13,738.23-20,606.19-4,377.87

Finding the Fourth Proportional to 13,738.23, 20,606.19 and 4,377.87

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Solution

The fourth proportional to 13,738.23, 20,606.19 and 4,377.87 is: 6,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.23 : 20,606.19 = 4,377.87 : x
  2. Step 2: Convert to fraction form
    13,738.23/20,606.19 = 4,377.87/x
  3. Step 3: Cross multiply
    13,738.23x = 20,606.19 × 4,377.87
  4. Step 4: Simplify right side
    13,738.23x = 90,211,221.02
  5. Step 5: Solve for x
    x = 90,211,221.02/13,738.23
  6. Step 6: Final answer
    x = 6,566.44

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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.