Home / 13,560.74-20,313.17-6,519.96

Finding the Fourth Proportional to 13,560.74, 20,313.17 and 6,519.96

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Solution

The fourth proportional to 13,560.74, 20,313.17 and 6,519.96 is: 9,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.74 : 20,313.17 = 6,519.96 : x
  2. Step 2: Convert to fraction form
    13,560.74/20,313.17 = 6,519.96/x
  3. Step 3: Cross multiply
    13,560.74x = 20,313.17 × 6,519.96
  4. Step 4: Simplify right side
    13,560.74x = 132,441,023.27
  5. Step 5: Solve for x
    x = 132,441,023.27/13,560.74
  6. Step 6: Final answer
    x = 9,766.51

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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.