Home / 19,844.97-27,387.43-13,118.93

Finding the Fourth Proportional to 19,844.97, 27,387.43 and 13,118.93

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Solution

The fourth proportional to 19,844.97, 27,387.43 and 13,118.93 is: 18,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.97 : 27,387.43 = 13,118.93 : x
  2. Step 2: Convert to fraction form
    19,844.97/27,387.43 = 13,118.93/x
  3. Step 3: Cross multiply
    19,844.97x = 27,387.43 × 13,118.93
  4. Step 4: Simplify right side
    19,844.97x = 359,293,812.72
  5. Step 5: Solve for x
    x = 359,293,812.72/19,844.97
  6. Step 6: Final answer
    x = 18,105.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.