Home / 10,613.52-15,918.26-4,040.37

Finding the Fourth Proportional to 10,613.52, 15,918.26 and 4,040.37

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Solution

The fourth proportional to 10,613.52, 15,918.26 and 4,040.37 is: 6,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.52 : 15,918.26 = 4,040.37 : x
  2. Step 2: Convert to fraction form
    10,613.52/15,918.26 = 4,040.37/x
  3. Step 3: Cross multiply
    10,613.52x = 15,918.26 × 4,040.37
  4. Step 4: Simplify right side
    10,613.52x = 64,315,639.95
  5. Step 5: Solve for x
    x = 64,315,639.95/10,613.52
  6. Step 6: Final answer
    x = 6,059.78

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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.