Home / 13,616.44-20,424.42-3,755.68

Finding the Fourth Proportional to 13,616.44, 20,424.42 and 3,755.68

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Solution

The fourth proportional to 13,616.44, 20,424.42 and 3,755.68 is: 5,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.44 : 20,424.42 = 3,755.68 : x
  2. Step 2: Convert to fraction form
    13,616.44/20,424.42 = 3,755.68/x
  3. Step 3: Cross multiply
    13,616.44x = 20,424.42 × 3,755.68
  4. Step 4: Simplify right side
    13,616.44x = 76,707,585.71
  5. Step 5: Solve for x
    x = 76,707,585.71/13,616.44
  6. Step 6: Final answer
    x = 5,633.45

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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.