Home / 13,566.88-20,350.12-3,706.14

Finding the Fourth Proportional to 13,566.88, 20,350.12 and 3,706.14

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Solution

The fourth proportional to 13,566.88, 20,350.12 and 3,706.14 is: 5,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.88 : 20,350.12 = 3,706.14 : x
  2. Step 2: Convert to fraction form
    13,566.88/20,350.12 = 3,706.14/x
  3. Step 3: Cross multiply
    13,566.88x = 20,350.12 × 3,706.14
  4. Step 4: Simplify right side
    13,566.88x = 75,420,393.74
  5. Step 5: Solve for x
    x = 75,420,393.74/13,566.88
  6. Step 6: Final answer
    x = 5,559.16

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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.