Home / 20,107.52-30,133.92-15,173.04

Finding the Fourth Proportional to 20,107.52, 30,133.92 and 15,173.04

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Solution

The fourth proportional to 20,107.52, 30,133.92 and 15,173.04 is: 22,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.52 : 30,133.92 = 15,173.04 : x
  2. Step 2: Convert to fraction form
    20,107.52/30,133.92 = 15,173.04/x
  3. Step 3: Cross multiply
    20,107.52x = 30,133.92 × 15,173.04
  4. Step 4: Simplify right side
    20,107.52x = 457,223,173.52
  5. Step 5: Solve for x
    x = 457,223,173.52/20,107.52
  6. Step 6: Final answer
    x = 22,738.91

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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.