Home / 10,903.87-16,360.67-3,976.75

Finding the Fourth Proportional to 10,903.87, 16,360.67 and 3,976.75

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Solution

The fourth proportional to 10,903.87, 16,360.67 and 3,976.75 is: 5,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.87 : 16,360.67 = 3,976.75 : x
  2. Step 2: Convert to fraction form
    10,903.87/16,360.67 = 3,976.75/x
  3. Step 3: Cross multiply
    10,903.87x = 16,360.67 × 3,976.75
  4. Step 4: Simplify right side
    10,903.87x = 65,062,294.42
  5. Step 5: Solve for x
    x = 65,062,294.42/10,903.87
  6. Step 6: Final answer
    x = 5,966.90

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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.