Home / 18,788.24-28,194.66-7,101.46

Finding the Fourth Proportional to 18,788.24, 28,194.66 and 7,101.46

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Solution

The fourth proportional to 18,788.24, 28,194.66 and 7,101.46 is: 10,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.24 : 28,194.66 = 7,101.46 : x
  2. Step 2: Convert to fraction form
    18,788.24/28,194.66 = 7,101.46/x
  3. Step 3: Cross multiply
    18,788.24x = 28,194.66 × 7,101.46
  4. Step 4: Simplify right side
    18,788.24x = 200,223,250.20
  5. Step 5: Solve for x
    x = 200,223,250.20/18,788.24
  6. Step 6: Final answer
    x = 10,656.84

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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.