Home / 13,288.03-19,895.13-6,694.22

Finding the Fourth Proportional to 13,288.03, 19,895.13 and 6,694.22

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Solution

The fourth proportional to 13,288.03, 19,895.13 and 6,694.22 is: 10,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.03 : 19,895.13 = 6,694.22 : x
  2. Step 2: Convert to fraction form
    13,288.03/19,895.13 = 6,694.22/x
  3. Step 3: Cross multiply
    13,288.03x = 19,895.13 × 6,694.22
  4. Step 4: Simplify right side
    13,288.03x = 133,182,377.15
  5. Step 5: Solve for x
    x = 133,182,377.15/13,288.03
  6. Step 6: Final answer
    x = 10,022.73

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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.