Home / 12,245.54-18,370.20-5,225.58

Finding the Fourth Proportional to 12,245.54, 18,370.20 and 5,225.58

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Solution

The fourth proportional to 12,245.54, 18,370.20 and 5,225.58 is: 7,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.54 : 18,370.20 = 5,225.58 : x
  2. Step 2: Convert to fraction form
    12,245.54/18,370.20 = 5,225.58/x
  3. Step 3: Cross multiply
    12,245.54x = 18,370.20 × 5,225.58
  4. Step 4: Simplify right side
    12,245.54x = 95,994,949.72
  5. Step 5: Solve for x
    x = 95,994,949.72/12,245.54
  6. Step 6: Final answer
    x = 7,839.18

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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.