Home / 13,318.36-19,963.33-10,021.25

Finding the Fourth Proportional to 13,318.36, 19,963.33 and 10,021.25

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Solution

The fourth proportional to 13,318.36, 19,963.33 and 10,021.25 is: 15,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.36 : 19,963.33 = 10,021.25 : x
  2. Step 2: Convert to fraction form
    13,318.36/19,963.33 = 10,021.25/x
  3. Step 3: Cross multiply
    13,318.36x = 19,963.33 × 10,021.25
  4. Step 4: Simplify right side
    13,318.36x = 200,057,545.62
  5. Step 5: Solve for x
    x = 200,057,545.62/13,318.36
  6. Step 6: Final answer
    x = 15,021.19

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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.