Home / 19,301.04-26,635.88-10,918

Finding the Fourth Proportional to 19,301.04, 26,635.88 and 10,918

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Solution

The fourth proportional to 19,301.04, 26,635.88 and 10,918 is: 15,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.04 : 26,635.88 = 10,918 : x
  2. Step 2: Convert to fraction form
    19,301.04/26,635.88 = 10,918/x
  3. Step 3: Cross multiply
    19,301.04x = 26,635.88 × 10,918
  4. Step 4: Simplify right side
    19,301.04x = 290,810,537.84
  5. Step 5: Solve for x
    x = 290,810,537.84/19,301.04
  6. Step 6: Final answer
    x = 15,067.09

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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.