Home / 10,825.44-16,171.32-7,838.21

Finding the Fourth Proportional to 10,825.44, 16,171.32 and 7,838.21

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Solution

The fourth proportional to 10,825.44, 16,171.32 and 7,838.21 is: 11,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.44 : 16,171.32 = 7,838.21 : x
  2. Step 2: Convert to fraction form
    10,825.44/16,171.32 = 7,838.21/x
  3. Step 3: Cross multiply
    10,825.44x = 16,171.32 × 7,838.21
  4. Step 4: Simplify right side
    10,825.44x = 126,754,202.14
  5. Step 5: Solve for x
    x = 126,754,202.14/10,825.44
  6. Step 6: Final answer
    x = 11,708.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.