Home / 13,540.03-20,312.22-4,177.84

Finding the Fourth Proportional to 13,540.03, 20,312.22 and 4,177.84

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Solution

The fourth proportional to 13,540.03, 20,312.22 and 4,177.84 is: 6,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540.03 : 20,312.22 = 4,177.84 : x
  2. Step 2: Convert to fraction form
    13,540.03/20,312.22 = 4,177.84/x
  3. Step 3: Cross multiply
    13,540.03x = 20,312.22 × 4,177.84
  4. Step 4: Simplify right side
    13,540.03x = 84,861,205.20
  5. Step 5: Solve for x
    x = 84,861,205.20/13,540.03
  6. Step 6: Final answer
    x = 6,267.43

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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.