Home / 11,989.92-17,987.31-4,594.62

Finding the Fourth Proportional to 11,989.92, 17,987.31 and 4,594.62

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Solution

The fourth proportional to 11,989.92, 17,987.31 and 4,594.62 is: 6,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.92 : 17,987.31 = 4,594.62 : x
  2. Step 2: Convert to fraction form
    11,989.92/17,987.31 = 4,594.62/x
  3. Step 3: Cross multiply
    11,989.92x = 17,987.31 × 4,594.62
  4. Step 4: Simplify right side
    11,989.92x = 82,644,854.27
  5. Step 5: Solve for x
    x = 82,644,854.27/11,989.92
  6. Step 6: Final answer
    x = 6,892.86

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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.