Home / 10,407.26-15,617.92-3,838.70

Finding the Fourth Proportional to 10,407.26, 15,617.92 and 3,838.70

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Solution

The fourth proportional to 10,407.26, 15,617.92 and 3,838.70 is: 5,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.26 : 15,617.92 = 3,838.70 : x
  2. Step 2: Convert to fraction form
    10,407.26/15,617.92 = 3,838.70/x
  3. Step 3: Cross multiply
    10,407.26x = 15,617.92 × 3,838.70
  4. Step 4: Simplify right side
    10,407.26x = 59,952,509.50
  5. Step 5: Solve for x
    x = 59,952,509.50/10,407.26
  6. Step 6: Final answer
    x = 5,760.64

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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.