Home / 13,562.46-20,344.95-4,202.55

Finding the Fourth Proportional to 13,562.46, 20,344.95 and 4,202.55

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Solution

The fourth proportional to 13,562.46, 20,344.95 and 4,202.55 is: 6,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.46 : 20,344.95 = 4,202.55 : x
  2. Step 2: Convert to fraction form
    13,562.46/20,344.95 = 4,202.55/x
  3. Step 3: Cross multiply
    13,562.46x = 20,344.95 × 4,202.55
  4. Step 4: Simplify right side
    13,562.46x = 85,500,669.62
  5. Step 5: Solve for x
    x = 85,500,669.62/13,562.46
  6. Step 6: Final answer
    x = 6,304.22

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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.