Home / 10,497.27-15,750-3,921.92

Finding the Fourth Proportional to 10,497.27, 15,750 and 3,921.92

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Solution

The fourth proportional to 10,497.27, 15,750 and 3,921.92 is: 5,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.27 : 15,750 = 3,921.92 : x
  2. Step 2: Convert to fraction form
    10,497.27/15,750 = 3,921.92/x
  3. Step 3: Cross multiply
    10,497.27x = 15,750 × 3,921.92
  4. Step 4: Simplify right side
    10,497.27x = 61,770,220.31
  5. Step 5: Solve for x
    x = 61,770,220.31/10,497.27
  6. Step 6: Final answer
    x = 5,884.41

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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.