Home / 13,378.59-20,069.82-5,061.69

Finding the Fourth Proportional to 13,378.59, 20,069.82 and 5,061.69

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Solution

The fourth proportional to 13,378.59, 20,069.82 and 5,061.69 is: 7,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.59 : 20,069.82 = 5,061.69 : x
  2. Step 2: Convert to fraction form
    13,378.59/20,069.82 = 5,061.69/x
  3. Step 3: Cross multiply
    13,378.59x = 20,069.82 × 5,061.69
  4. Step 4: Simplify right side
    13,378.59x = 101,587,207.20
  5. Step 5: Solve for x
    x = 101,587,207.20/13,378.59
  6. Step 6: Final answer
    x = 7,593.27

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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.