Home / 10,007.88-15,012-2,611.89

Finding the Fourth Proportional to 10,007.88, 15,012 and 2,611.89

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Solution

The fourth proportional to 10,007.88, 15,012 and 2,611.89 is: 3,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.88 : 15,012 = 2,611.89 : x
  2. Step 2: Convert to fraction form
    10,007.88/15,012 = 2,611.89/x
  3. Step 3: Cross multiply
    10,007.88x = 15,012 × 2,611.89
  4. Step 4: Simplify right side
    10,007.88x = 39,209,692.68
  5. Step 5: Solve for x
    x = 39,209,692.68/10,007.88
  6. Step 6: Final answer
    x = 3,917.88

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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.