Home / 13,944.20-20,916.18-3,555.92

Finding the Fourth Proportional to 13,944.20, 20,916.18 and 3,555.92

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Solution

The fourth proportional to 13,944.20, 20,916.18 and 3,555.92 is: 5,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.20 : 20,916.18 = 3,555.92 : x
  2. Step 2: Convert to fraction form
    13,944.20/20,916.18 = 3,555.92/x
  3. Step 3: Cross multiply
    13,944.20x = 20,916.18 × 3,555.92
  4. Step 4: Simplify right side
    13,944.20x = 74,376,262.79
  5. Step 5: Solve for x
    x = 74,376,262.79/13,944.20
  6. Step 6: Final answer
    x = 5,333.85

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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.