Home / 10,328.34-15,487.45-3,306.56

Finding the Fourth Proportional to 10,328.34, 15,487.45 and 3,306.56

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Solution

The fourth proportional to 10,328.34, 15,487.45 and 3,306.56 is: 4,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.34 : 15,487.45 = 3,306.56 : x
  2. Step 2: Convert to fraction form
    10,328.34/15,487.45 = 3,306.56/x
  3. Step 3: Cross multiply
    10,328.34x = 15,487.45 × 3,306.56
  4. Step 4: Simplify right side
    10,328.34x = 51,210,115.57
  5. Step 5: Solve for x
    x = 51,210,115.57/10,328.34
  6. Step 6: Final answer
    x = 4,958.21

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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.