Home / 10,934.19-16,399.53-3,912.90

Finding the Fourth Proportional to 10,934.19, 16,399.53 and 3,912.90

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Solution

The fourth proportional to 10,934.19, 16,399.53 and 3,912.90 is: 5,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.19 : 16,399.53 = 3,912.90 : x
  2. Step 2: Convert to fraction form
    10,934.19/16,399.53 = 3,912.90/x
  3. Step 3: Cross multiply
    10,934.19x = 16,399.53 × 3,912.90
  4. Step 4: Simplify right side
    10,934.19x = 64,169,720.94
  5. Step 5: Solve for x
    x = 64,169,720.94/10,934.19
  6. Step 6: Final answer
    x = 5,868.72

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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.