Home / 15,713.97-21,685.23-9,344.94

Finding the Fourth Proportional to 15,713.97, 21,685.23 and 9,344.94

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Solution

The fourth proportional to 15,713.97, 21,685.23 and 9,344.94 is: 12,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713.97 : 21,685.23 = 9,344.94 : x
  2. Step 2: Convert to fraction form
    15,713.97/21,685.23 = 9,344.94/x
  3. Step 3: Cross multiply
    15,713.97x = 21,685.23 × 9,344.94
  4. Step 4: Simplify right side
    15,713.97x = 202,647,173.24
  5. Step 5: Solve for x
    x = 202,647,173.24/15,713.97
  6. Step 6: Final answer
    x = 12,895.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.