Home / 13,659.90-20,496.33-4,895.70

Finding the Fourth Proportional to 13,659.90, 20,496.33 and 4,895.70

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Solution

The fourth proportional to 13,659.90, 20,496.33 and 4,895.70 is: 7,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.90 : 20,496.33 = 4,895.70 : x
  2. Step 2: Convert to fraction form
    13,659.90/20,496.33 = 4,895.70/x
  3. Step 3: Cross multiply
    13,659.90x = 20,496.33 × 4,895.70
  4. Step 4: Simplify right side
    13,659.90x = 100,343,882.78
  5. Step 5: Solve for x
    x = 100,343,882.78/13,659.90
  6. Step 6: Final answer
    x = 7,345.87

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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.