Home / 10,327.27-14,251.68-5,611.57

Finding the Fourth Proportional to 10,327.27, 14,251.68 and 5,611.57

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Solution

The fourth proportional to 10,327.27, 14,251.68 and 5,611.57 is: 7,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.27 : 14,251.68 = 5,611.57 : x
  2. Step 2: Convert to fraction form
    10,327.27/14,251.68 = 5,611.57/x
  3. Step 3: Cross multiply
    10,327.27x = 14,251.68 × 5,611.57
  4. Step 4: Simplify right side
    10,327.27x = 79,974,299.94
  5. Step 5: Solve for x
    x = 79,974,299.94/10,327.27
  6. Step 6: Final answer
    x = 7,743.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.