Home / 11,469.96-15,821.23-8,287.93

Finding the Fourth Proportional to 11,469.96, 15,821.23 and 8,287.93

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Solution

The fourth proportional to 11,469.96, 15,821.23 and 8,287.93 is: 11,432.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.96 : 15,821.23 = 8,287.93 : x
  2. Step 2: Convert to fraction form
    11,469.96/15,821.23 = 8,287.93/x
  3. Step 3: Cross multiply
    11,469.96x = 15,821.23 × 8,287.93
  4. Step 4: Simplify right side
    11,469.96x = 131,125,246.75
  5. Step 5: Solve for x
    x = 131,125,246.75/11,469.96
  6. Step 6: Final answer
    x = 11,432.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.