Home / 13,389.20-20,085.44-5,597

Finding the Fourth Proportional to 13,389.20, 20,085.44 and 5,597

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Solution

The fourth proportional to 13,389.20, 20,085.44 and 5,597 is: 8,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.20 : 20,085.44 = 5,597 : x
  2. Step 2: Convert to fraction form
    13,389.20/20,085.44 = 5,597/x
  3. Step 3: Cross multiply
    13,389.20x = 20,085.44 × 5,597
  4. Step 4: Simplify right side
    13,389.20x = 112,418,207.68
  5. Step 5: Solve for x
    x = 112,418,207.68/13,389.20
  6. Step 6: Final answer
    x = 8,396.19

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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.