Home / 19,301.52-26,636.88-10,918

Finding the Fourth Proportional to 19,301.52, 26,636.88 and 10,918

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Solution

The fourth proportional to 19,301.52, 26,636.88 and 10,918 is: 15,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.52 : 26,636.88 = 10,918 : x
  2. Step 2: Convert to fraction form
    19,301.52/26,636.88 = 10,918/x
  3. Step 3: Cross multiply
    19,301.52x = 26,636.88 × 10,918
  4. Step 4: Simplify right side
    19,301.52x = 290,821,455.84
  5. Step 5: Solve for x
    x = 290,821,455.84/19,301.52
  6. Step 6: Final answer
    x = 15,067.28

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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.