Home / 10,328.11-15,487.40-3,306.83

Finding the Fourth Proportional to 10,328.11, 15,487.40 and 3,306.83

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Solution

The fourth proportional to 10,328.11, 15,487.40 and 3,306.83 is: 4,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.11 : 15,487.40 = 3,306.83 : x
  2. Step 2: Convert to fraction form
    10,328.11/15,487.40 = 3,306.83/x
  3. Step 3: Cross multiply
    10,328.11x = 15,487.40 × 3,306.83
  4. Step 4: Simplify right side
    10,328.11x = 51,214,129.77
  5. Step 5: Solve for x
    x = 51,214,129.77/10,328.11
  6. Step 6: Final answer
    x = 4,958.71

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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.