Home / 10,307.23-15,462.68-3,288.78

Finding the Fourth Proportional to 10,307.23, 15,462.68 and 3,288.78

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Solution

The fourth proportional to 10,307.23, 15,462.68 and 3,288.78 is: 4,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.23 : 15,462.68 = 3,288.78 : x
  2. Step 2: Convert to fraction form
    10,307.23/15,462.68 = 3,288.78/x
  3. Step 3: Cross multiply
    10,307.23x = 15,462.68 × 3,288.78
  4. Step 4: Simplify right side
    10,307.23x = 50,853,336.29
  5. Step 5: Solve for x
    x = 50,853,336.29/10,307.23
  6. Step 6: Final answer
    x = 4,933.76

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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.