Home / 13,692.31-20,540.82-4,332.18

Finding the Fourth Proportional to 13,692.31, 20,540.82 and 4,332.18

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Solution

The fourth proportional to 13,692.31, 20,540.82 and 4,332.18 is: 6,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.31 : 20,540.82 = 4,332.18 : x
  2. Step 2: Convert to fraction form
    13,692.31/20,540.82 = 4,332.18/x
  3. Step 3: Cross multiply
    13,692.31x = 20,540.82 × 4,332.18
  4. Step 4: Simplify right side
    13,692.31x = 88,986,622.86
  5. Step 5: Solve for x
    x = 88,986,622.86/13,692.31
  6. Step 6: Final answer
    x = 6,499.02

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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.