Home / 11,728.50-17,594.57-3,939.14

Finding the Fourth Proportional to 11,728.50, 17,594.57 and 3,939.14

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Solution

The fourth proportional to 11,728.50, 17,594.57 and 3,939.14 is: 5,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.50 : 17,594.57 = 3,939.14 : x
  2. Step 2: Convert to fraction form
    11,728.50/17,594.57 = 3,939.14/x
  3. Step 3: Cross multiply
    11,728.50x = 17,594.57 × 3,939.14
  4. Step 4: Simplify right side
    11,728.50x = 69,307,366.80
  5. Step 5: Solve for x
    x = 69,307,366.80/11,728.50
  6. Step 6: Final answer
    x = 5,909.31

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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.