Home / 17,187.26-25,787.02-10,605.78

Finding the Fourth Proportional to 17,187.26, 25,787.02 and 10,605.78

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Solution

The fourth proportional to 17,187.26, 25,787.02 and 10,605.78 is: 15,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.26 : 25,787.02 = 10,605.78 : x
  2. Step 2: Convert to fraction form
    17,187.26/25,787.02 = 10,605.78/x
  3. Step 3: Cross multiply
    17,187.26x = 25,787.02 × 10,605.78
  4. Step 4: Simplify right side
    17,187.26x = 273,491,460.98
  5. Step 5: Solve for x
    x = 273,491,460.98/17,187.26
  6. Step 6: Final answer
    x = 15,912.45

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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.