Home / 10,226.39-15,337.29-3,986.57

Finding the Fourth Proportional to 10,226.39, 15,337.29 and 3,986.57

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Solution

The fourth proportional to 10,226.39, 15,337.29 and 3,986.57 is: 5,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.39 : 15,337.29 = 3,986.57 : x
  2. Step 2: Convert to fraction form
    10,226.39/15,337.29 = 3,986.57/x
  3. Step 3: Cross multiply
    10,226.39x = 15,337.29 × 3,986.57
  4. Step 4: Simplify right side
    10,226.39x = 61,143,103.51
  5. Step 5: Solve for x
    x = 61,143,103.51/10,226.39
  6. Step 6: Final answer
    x = 5,978.96

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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.