Home / 20,116.85-30,174.75-9,594.29

Finding the Fourth Proportional to 20,116.85, 30,174.75 and 9,594.29

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Solution

The fourth proportional to 20,116.85, 30,174.75 and 9,594.29 is: 14,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.85 : 30,174.75 = 9,594.29 : x
  2. Step 2: Convert to fraction form
    20,116.85/30,174.75 = 9,594.29/x
  3. Step 3: Cross multiply
    20,116.85x = 30,174.75 × 9,594.29
  4. Step 4: Simplify right side
    20,116.85x = 289,505,377.61
  5. Step 5: Solve for x
    x = 289,505,377.61/20,116.85
  6. Step 6: Final answer
    x = 14,391.19

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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.