Home / 13,540.46-20,306.93-6,525.05

Finding the Fourth Proportional to 13,540.46, 20,306.93 and 6,525.05

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Solution

The fourth proportional to 13,540.46, 20,306.93 and 6,525.05 is: 9,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540.46 : 20,306.93 = 6,525.05 : x
  2. Step 2: Convert to fraction form
    13,540.46/20,306.93 = 6,525.05/x
  3. Step 3: Cross multiply
    13,540.46x = 20,306.93 × 6,525.05
  4. Step 4: Simplify right side
    13,540.46x = 132,503,599.44
  5. Step 5: Solve for x
    x = 132,503,599.44/13,540.46
  6. Step 6: Final answer
    x = 9,785.76

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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.