Home / 10,772.11-16,158.36-3,376.40

Finding the Fourth Proportional to 10,772.11, 16,158.36 and 3,376.40

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Solution

The fourth proportional to 10,772.11, 16,158.36 and 3,376.40 is: 5,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.11 : 16,158.36 = 3,376.40 : x
  2. Step 2: Convert to fraction form
    10,772.11/16,158.36 = 3,376.40/x
  3. Step 3: Cross multiply
    10,772.11x = 16,158.36 × 3,376.40
  4. Step 4: Simplify right side
    10,772.11x = 54,557,086.70
  5. Step 5: Solve for x
    x = 54,557,086.70/10,772.11
  6. Step 6: Final answer
    x = 5,064.66

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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.