Home / 18,109.34-24,990.87-11,035.78

Finding the Fourth Proportional to 18,109.34, 24,990.87 and 11,035.78

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Solution

The fourth proportional to 18,109.34, 24,990.87 and 11,035.78 is: 15,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.34 : 24,990.87 = 11,035.78 : x
  2. Step 2: Convert to fraction form
    18,109.34/24,990.87 = 11,035.78/x
  3. Step 3: Cross multiply
    18,109.34x = 24,990.87 × 11,035.78
  4. Step 4: Simplify right side
    18,109.34x = 275,793,743.33
  5. Step 5: Solve for x
    x = 275,793,743.33/18,109.34
  6. Step 6: Final answer
    x = 15,229.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.