Home / 18,927.18-25,930.36-18,217.80

Finding the Fourth Proportional to 18,927.18, 25,930.36 and 18,217.80

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Solution

The fourth proportional to 18,927.18, 25,930.36 and 18,217.80 is: 24,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.18 : 25,930.36 = 18,217.80 : x
  2. Step 2: Convert to fraction form
    18,927.18/25,930.36 = 18,217.80/x
  3. Step 3: Cross multiply
    18,927.18x = 25,930.36 × 18,217.80
  4. Step 4: Simplify right side
    18,927.18x = 472,394,135.18
  5. Step 5: Solve for x
    x = 472,394,135.18/18,927.18
  6. Step 6: Final answer
    x = 24,958.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.