Home / 10,306.81-15,456.75-3,731.62

Finding the Fourth Proportional to 10,306.81, 15,456.75 and 3,731.62

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Solution

The fourth proportional to 10,306.81, 15,456.75 and 3,731.62 is: 5,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.81 : 15,456.75 = 3,731.62 : x
  2. Step 2: Convert to fraction form
    10,306.81/15,456.75 = 3,731.62/x
  3. Step 3: Cross multiply
    10,306.81x = 15,456.75 × 3,731.62
  4. Step 4: Simplify right side
    10,306.81x = 57,678,717.44
  5. Step 5: Solve for x
    x = 57,678,717.44/10,306.81
  6. Step 6: Final answer
    x = 5,596.18

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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.