Home / 10,767.28-16,152.54-3,370.90

Finding the Fourth Proportional to 10,767.28, 16,152.54 and 3,370.90

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Solution

The fourth proportional to 10,767.28, 16,152.54 and 3,370.90 is: 5,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.28 : 16,152.54 = 3,370.90 : x
  2. Step 2: Convert to fraction form
    10,767.28/16,152.54 = 3,370.90/x
  3. Step 3: Cross multiply
    10,767.28x = 16,152.54 × 3,370.90
  4. Step 4: Simplify right side
    10,767.28x = 54,448,597.09
  5. Step 5: Solve for x
    x = 54,448,597.09/10,767.28
  6. Step 6: Final answer
    x = 5,056.86

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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.