Home / 10,440.38-15,660.26-3,866.42

Finding the Fourth Proportional to 10,440.38, 15,660.26 and 3,866.42

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Solution

The fourth proportional to 10,440.38, 15,660.26 and 3,866.42 is: 5,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.38 : 15,660.26 = 3,866.42 : x
  2. Step 2: Convert to fraction form
    10,440.38/15,660.26 = 3,866.42/x
  3. Step 3: Cross multiply
    10,440.38x = 15,660.26 × 3,866.42
  4. Step 4: Simplify right side
    10,440.38x = 60,549,044.84
  5. Step 5: Solve for x
    x = 60,549,044.84/10,440.38
  6. Step 6: Final answer
    x = 5,799.51

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1.5x scale

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.