Home / 11,344.89-17,002.65-8,399.73

Finding the Fourth Proportional to 11,344.89, 17,002.65 and 8,399.73

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Solution

The fourth proportional to 11,344.89, 17,002.65 and 8,399.73 is: 12,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.89 : 17,002.65 = 8,399.73 : x
  2. Step 2: Convert to fraction form
    11,344.89/17,002.65 = 8,399.73/x
  3. Step 3: Cross multiply
    11,344.89x = 17,002.65 × 8,399.73
  4. Step 4: Simplify right side
    11,344.89x = 142,817,669.28
  5. Step 5: Solve for x
    x = 142,817,669.28/11,344.89
  6. Step 6: Final answer
    x = 12,588.72

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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.