Home / 11,439.70-17,151.82-3,941.34

Finding the Fourth Proportional to 11,439.70, 17,151.82 and 3,941.34

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Solution

The fourth proportional to 11,439.70, 17,151.82 and 3,941.34 is: 5,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439.70 : 17,151.82 = 3,941.34 : x
  2. Step 2: Convert to fraction form
    11,439.70/17,151.82 = 3,941.34/x
  3. Step 3: Cross multiply
    11,439.70x = 17,151.82 × 3,941.34
  4. Step 4: Simplify right side
    11,439.70x = 67,601,154.24
  5. Step 5: Solve for x
    x = 67,601,154.24/11,439.70
  6. Step 6: Final answer
    x = 5,909.35

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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.