Home / 11,377.29-17,052.31-7,430.43

Finding the Fourth Proportional to 11,377.29, 17,052.31 and 7,430.43

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Solution

The fourth proportional to 11,377.29, 17,052.31 and 7,430.43 is: 11,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.29 : 17,052.31 = 7,430.43 : x
  2. Step 2: Convert to fraction form
    11,377.29/17,052.31 = 7,430.43/x
  3. Step 3: Cross multiply
    11,377.29x = 17,052.31 × 7,430.43
  4. Step 4: Simplify right side
    11,377.29x = 126,705,995.79
  5. Step 5: Solve for x
    x = 126,705,995.79/11,377.29
  6. Step 6: Final answer
    x = 11,136.75

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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.