Home / 10,542.39-15,811.75-3,616.89

Finding the Fourth Proportional to 10,542.39, 15,811.75 and 3,616.89

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Solution

The fourth proportional to 10,542.39, 15,811.75 and 3,616.89 is: 5,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.39 : 15,811.75 = 3,616.89 : x
  2. Step 2: Convert to fraction form
    10,542.39/15,811.75 = 3,616.89/x
  3. Step 3: Cross multiply
    10,542.39x = 15,811.75 × 3,616.89
  4. Step 4: Simplify right side
    10,542.39x = 57,189,360.46
  5. Step 5: Solve for x
    x = 57,189,360.46/10,542.39
  6. Step 6: Final answer
    x = 5,424.71

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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.