Home / 15,517.29-23,279.58-5,129.03

Finding the Fourth Proportional to 15,517.29, 23,279.58 and 5,129.03

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Solution

The fourth proportional to 15,517.29, 23,279.58 and 5,129.03 is: 7,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.29 : 23,279.58 = 5,129.03 : x
  2. Step 2: Convert to fraction form
    15,517.29/23,279.58 = 5,129.03/x
  3. Step 3: Cross multiply
    15,517.29x = 23,279.58 × 5,129.03
  4. Step 4: Simplify right side
    15,517.29x = 119,401,638.56
  5. Step 5: Solve for x
    x = 119,401,638.56/15,517.29
  6. Step 6: Final answer
    x = 7,694.75

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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.