Home / 18,148.20-27,226.62-7,612.44

Finding the Fourth Proportional to 18,148.20, 27,226.62 and 7,612.44

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Solution

The fourth proportional to 18,148.20, 27,226.62 and 7,612.44 is: 11,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.20 : 27,226.62 = 7,612.44 : x
  2. Step 2: Convert to fraction form
    18,148.20/27,226.62 = 7,612.44/x
  3. Step 3: Cross multiply
    18,148.20x = 27,226.62 × 7,612.44
  4. Step 4: Simplify right side
    18,148.20x = 207,261,011.15
  5. Step 5: Solve for x
    x = 207,261,011.15/18,148.20
  6. Step 6: Final answer
    x = 11,420.47

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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.