Home / 11,939.22-17,895.96-7,557.90

Finding the Fourth Proportional to 11,939.22, 17,895.96 and 7,557.90

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Solution

The fourth proportional to 11,939.22, 17,895.96 and 7,557.90 is: 11,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.22 : 17,895.96 = 7,557.90 : x
  2. Step 2: Convert to fraction form
    11,939.22/17,895.96 = 7,557.90/x
  3. Step 3: Cross multiply
    11,939.22x = 17,895.96 × 7,557.90
  4. Step 4: Simplify right side
    11,939.22x = 135,255,876.08
  5. Step 5: Solve for x
    x = 135,255,876.08/11,939.22
  6. Step 6: Final answer
    x = 11,328.70

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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.