Home / 13,169.49-19,724.41-10,186.97

Finding the Fourth Proportional to 13,169.49, 19,724.41 and 10,186.97

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Solution

The fourth proportional to 13,169.49, 19,724.41 and 10,186.97 is: 15,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.49 : 19,724.41 = 10,186.97 : x
  2. Step 2: Convert to fraction form
    13,169.49/19,724.41 = 10,186.97/x
  3. Step 3: Cross multiply
    13,169.49x = 19,724.41 × 10,186.97
  4. Step 4: Simplify right side
    13,169.49x = 200,931,887.05
  5. Step 5: Solve for x
    x = 200,931,887.05/13,169.49
  6. Step 6: Final answer
    x = 15,257.38

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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.