Home / 13,306.90-19,961.90-4,423.03

Finding the Fourth Proportional to 13,306.90, 19,961.90 and 4,423.03

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Solution

The fourth proportional to 13,306.90, 19,961.90 and 4,423.03 is: 6,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.90 : 19,961.90 = 4,423.03 : x
  2. Step 2: Convert to fraction form
    13,306.90/19,961.90 = 4,423.03/x
  3. Step 3: Cross multiply
    13,306.90x = 19,961.90 × 4,423.03
  4. Step 4: Simplify right side
    13,306.90x = 88,292,082.56
  5. Step 5: Solve for x
    x = 88,292,082.56/13,306.90
  6. Step 6: Final answer
    x = 6,635.06

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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.