Home / 13,648.76-20,469.34-5,855.72

Finding the Fourth Proportional to 13,648.76, 20,469.34 and 5,855.72

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Solution

The fourth proportional to 13,648.76, 20,469.34 and 5,855.72 is: 8,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.76 : 20,469.34 = 5,855.72 : x
  2. Step 2: Convert to fraction form
    13,648.76/20,469.34 = 5,855.72/x
  3. Step 3: Cross multiply
    13,648.76x = 20,469.34 × 5,855.72
  4. Step 4: Simplify right side
    13,648.76x = 119,862,723.62
  5. Step 5: Solve for x
    x = 119,862,723.62/13,648.76
  6. Step 6: Final answer
    x = 8,781.95

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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.