Home / 12,150.43-18,230.40-4,753.62

Finding the Fourth Proportional to 12,150.43, 18,230.40 and 4,753.62

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Solution

The fourth proportional to 12,150.43, 18,230.40 and 4,753.62 is: 7,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.43 : 18,230.40 = 4,753.62 : x
  2. Step 2: Convert to fraction form
    12,150.43/18,230.40 = 4,753.62/x
  3. Step 3: Cross multiply
    12,150.43x = 18,230.40 × 4,753.62
  4. Step 4: Simplify right side
    12,150.43x = 86,660,394.05
  5. Step 5: Solve for x
    x = 86,660,394.05/12,150.43
  6. Step 6: Final answer
    x = 7,132.29

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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.