Home / 19,451.52-29,122.20-15,119.64

Finding the Fourth Proportional to 19,451.52, 29,122.20 and 15,119.64

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Solution

The fourth proportional to 19,451.52, 29,122.20 and 15,119.64 is: 22,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.52 : 29,122.20 = 15,119.64 : x
  2. Step 2: Convert to fraction form
    19,451.52/29,122.20 = 15,119.64/x
  3. Step 3: Cross multiply
    19,451.52x = 29,122.20 × 15,119.64
  4. Step 4: Simplify right side
    19,451.52x = 440,317,180.01
  5. Step 5: Solve for x
    x = 440,317,180.01/19,451.52
  6. Step 6: Final answer
    x = 22,636.65

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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.