Home / 20,023.54-29,991.56-10,145.86

Finding the Fourth Proportional to 20,023.54, 29,991.56 and 10,145.86

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Solution

The fourth proportional to 20,023.54, 29,991.56 and 10,145.86 is: 15,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.54 : 29,991.56 = 10,145.86 : x
  2. Step 2: Convert to fraction form
    20,023.54/29,991.56 = 10,145.86/x
  3. Step 3: Cross multiply
    20,023.54x = 29,991.56 × 10,145.86
  4. Step 4: Simplify right side
    20,023.54x = 304,290,168.94
  5. Step 5: Solve for x
    x = 304,290,168.94/20,023.54
  6. Step 6: Final answer
    x = 15,196.62

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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.