Home / 12,715.68-19,077.26-5,694.14

Finding the Fourth Proportional to 12,715.68, 19,077.26 and 5,694.14

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Solution

The fourth proportional to 12,715.68, 19,077.26 and 5,694.14 is: 8,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.68 : 19,077.26 = 5,694.14 : x
  2. Step 2: Convert to fraction form
    12,715.68/19,077.26 = 5,694.14/x
  3. Step 3: Cross multiply
    12,715.68x = 19,077.26 × 5,694.14
  4. Step 4: Simplify right side
    12,715.68x = 108,628,589.26
  5. Step 5: Solve for x
    x = 108,628,589.26/12,715.68
  6. Step 6: Final answer
    x = 8,542.88

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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.