Home / 12,371.13-17,072.27-6,993.84

Finding the Fourth Proportional to 12,371.13, 17,072.27 and 6,993.84

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Solution

The fourth proportional to 12,371.13, 17,072.27 and 6,993.84 is: 9,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.13 : 17,072.27 = 6,993.84 : x
  2. Step 2: Convert to fraction form
    12,371.13/17,072.27 = 6,993.84/x
  3. Step 3: Cross multiply
    12,371.13x = 17,072.27 × 6,993.84
  4. Step 4: Simplify right side
    12,371.13x = 119,400,780.10
  5. Step 5: Solve for x
    x = 119,400,780.10/12,371.13
  6. Step 6: Final answer
    x = 9,651.57

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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.