Home / 12,727.38-17,563.80-7,061.95

Finding the Fourth Proportional to 12,727.38, 17,563.80 and 7,061.95

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Solution

The fourth proportional to 12,727.38, 17,563.80 and 7,061.95 is: 9,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.38 : 17,563.80 = 7,061.95 : x
  2. Step 2: Convert to fraction form
    12,727.38/17,563.80 = 7,061.95/x
  3. Step 3: Cross multiply
    12,727.38x = 17,563.80 × 7,061.95
  4. Step 4: Simplify right side
    12,727.38x = 124,034,677.41
  5. Step 5: Solve for x
    x = 124,034,677.41/12,727.38
  6. Step 6: Final answer
    x = 9,745.50

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Why These Related Problems?

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