Home / 20,004.20-29,963.10-10,759.40

Finding the Fourth Proportional to 20,004.20, 29,963.10 and 10,759.40

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Solution

The fourth proportional to 20,004.20, 29,963.10 and 10,759.40 is: 16,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.20 : 29,963.10 = 10,759.40 : x
  2. Step 2: Convert to fraction form
    20,004.20/29,963.10 = 10,759.40/x
  3. Step 3: Cross multiply
    20,004.20x = 29,963.10 × 10,759.40
  4. Step 4: Simplify right side
    20,004.20x = 322,384,978.14
  5. Step 5: Solve for x
    x = 322,384,978.14/20,004.20
  6. Step 6: Final answer
    x = 16,115.86

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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.