Home / 10,887.38-16,331.26-3,096.40

Finding the Fourth Proportional to 10,887.38, 16,331.26 and 3,096.40

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Solution

The fourth proportional to 10,887.38, 16,331.26 and 3,096.40 is: 4,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.38 : 16,331.26 = 3,096.40 : x
  2. Step 2: Convert to fraction form
    10,887.38/16,331.26 = 3,096.40/x
  3. Step 3: Cross multiply
    10,887.38x = 16,331.26 × 3,096.40
  4. Step 4: Simplify right side
    10,887.38x = 50,568,113.46
  5. Step 5: Solve for x
    x = 50,568,113.46/10,887.38
  6. Step 6: Final answer
    x = 4,644.65

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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.