Home / 10,074.43-15,111.80-3,500.77

Finding the Fourth Proportional to 10,074.43, 15,111.80 and 3,500.77

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Solution

The fourth proportional to 10,074.43, 15,111.80 and 3,500.77 is: 5,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.43 : 15,111.80 = 3,500.77 : x
  2. Step 2: Convert to fraction form
    10,074.43/15,111.80 = 3,500.77/x
  3. Step 3: Cross multiply
    10,074.43x = 15,111.80 × 3,500.77
  4. Step 4: Simplify right side
    10,074.43x = 52,902,936.09
  5. Step 5: Solve for x
    x = 52,902,936.09/10,074.43
  6. Step 6: Final answer
    x = 5,251.21

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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.