Home / 18,537.26-27,736.12-13,001.40

Finding the Fourth Proportional to 18,537.26, 27,736.12 and 13,001.40

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Solution

The fourth proportional to 18,537.26, 27,736.12 and 13,001.40 is: 19,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.26 : 27,736.12 = 13,001.40 : x
  2. Step 2: Convert to fraction form
    18,537.26/27,736.12 = 13,001.40/x
  3. Step 3: Cross multiply
    18,537.26x = 27,736.12 × 13,001.40
  4. Step 4: Simplify right side
    18,537.26x = 360,608,390.57
  5. Step 5: Solve for x
    x = 360,608,390.57/18,537.26
  6. Step 6: Final answer
    x = 19,453.17

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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.