Home / 10,377.36-15,568.76-3,451.92

Finding the Fourth Proportional to 10,377.36, 15,568.76 and 3,451.92

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Solution

The fourth proportional to 10,377.36, 15,568.76 and 3,451.92 is: 5,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.36 : 15,568.76 = 3,451.92 : x
  2. Step 2: Convert to fraction form
    10,377.36/15,568.76 = 3,451.92/x
  3. Step 3: Cross multiply
    10,377.36x = 15,568.76 × 3,451.92
  4. Step 4: Simplify right side
    10,377.36x = 53,742,114.02
  5. Step 5: Solve for x
    x = 53,742,114.02/10,377.36
  6. Step 6: Final answer
    x = 5,178.78

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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.