Home / 10,439.24-15,658.44-3,866.68

Finding the Fourth Proportional to 10,439.24, 15,658.44 and 3,866.68

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Solution

The fourth proportional to 10,439.24, 15,658.44 and 3,866.68 is: 5,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.24 : 15,658.44 = 3,866.68 : x
  2. Step 2: Convert to fraction form
    10,439.24/15,658.44 = 3,866.68/x
  3. Step 3: Cross multiply
    10,439.24x = 15,658.44 × 3,866.68
  4. Step 4: Simplify right side
    10,439.24x = 60,546,176.78
  5. Step 5: Solve for x
    x = 60,546,176.78/10,439.24
  6. Step 6: Final answer
    x = 5,799.86

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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.