Home / 18,206.36-27,265.80-10,391.48

Finding the Fourth Proportional to 18,206.36, 27,265.80 and 10,391.48

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Solution

The fourth proportional to 18,206.36, 27,265.80 and 10,391.48 is: 15,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.36 : 27,265.80 = 10,391.48 : x
  2. Step 2: Convert to fraction form
    18,206.36/27,265.80 = 10,391.48/x
  3. Step 3: Cross multiply
    18,206.36x = 27,265.80 × 10,391.48
  4. Step 4: Simplify right side
    18,206.36x = 283,332,015.38
  5. Step 5: Solve for x
    x = 283,332,015.38/18,206.36
  6. Step 6: Final answer
    x = 15,562.25

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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.