Home / 13,288.11-19,910.88-10,164.33

Finding the Fourth Proportional to 13,288.11, 19,910.88 and 10,164.33

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Solution

The fourth proportional to 13,288.11, 19,910.88 and 10,164.33 is: 15,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.11 : 19,910.88 = 10,164.33 : x
  2. Step 2: Convert to fraction form
    13,288.11/19,910.88 = 10,164.33/x
  3. Step 3: Cross multiply
    13,288.11x = 19,910.88 × 10,164.33
  4. Step 4: Simplify right side
    13,288.11x = 202,380,754.91
  5. Step 5: Solve for x
    x = 202,380,754.91/13,288.11
  6. Step 6: Final answer
    x = 15,230.21

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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.