Home / 13,535.46-20,306.30-6,142.05

Finding the Fourth Proportional to 13,535.46, 20,306.30 and 6,142.05

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Solution

The fourth proportional to 13,535.46, 20,306.30 and 6,142.05 is: 9,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.46 : 20,306.30 = 6,142.05 : x
  2. Step 2: Convert to fraction form
    13,535.46/20,306.30 = 6,142.05/x
  3. Step 3: Cross multiply
    13,535.46x = 20,306.30 × 6,142.05
  4. Step 4: Simplify right side
    13,535.46x = 124,722,279.20
  5. Step 5: Solve for x
    x = 124,722,279.20/13,535.46
  6. Step 6: Final answer
    x = 9,214.48

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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.