Home / 12,817.14-17,687.66-7,511.95

Finding the Fourth Proportional to 12,817.14, 17,687.66 and 7,511.95

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Solution

The fourth proportional to 12,817.14, 17,687.66 and 7,511.95 is: 10,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.14 : 17,687.66 = 7,511.95 : x
  2. Step 2: Convert to fraction form
    12,817.14/17,687.66 = 7,511.95/x
  3. Step 3: Cross multiply
    12,817.14x = 17,687.66 × 7,511.95
  4. Step 4: Simplify right side
    12,817.14x = 132,868,817.54
  5. Step 5: Solve for x
    x = 132,868,817.54/12,817.14
  6. Step 6: Final answer
    x = 10,366.49

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1.5x scale

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.