Home / 10,431.97-15,647.79-2,534.55

Finding the Fourth Proportional to 10,431.97, 15,647.79 and 2,534.55

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Solution

The fourth proportional to 10,431.97, 15,647.79 and 2,534.55 is: 3,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.97 : 15,647.79 = 2,534.55 : x
  2. Step 2: Convert to fraction form
    10,431.97/15,647.79 = 2,534.55/x
  3. Step 3: Cross multiply
    10,431.97x = 15,647.79 × 2,534.55
  4. Step 4: Simplify right side
    10,431.97x = 39,660,056.97
  5. Step 5: Solve for x
    x = 39,660,056.97/10,431.97
  6. Step 6: Final answer
    x = 3,801.78

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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.