Home / 10,067.03-13,891.91-5,590.51

Finding the Fourth Proportional to 10,067.03, 13,891.91 and 5,590.51

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Solution

The fourth proportional to 10,067.03, 13,891.91 and 5,590.51 is: 7,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.03 : 13,891.91 = 5,590.51 : x
  2. Step 2: Convert to fraction form
    10,067.03/13,891.91 = 5,590.51/x
  3. Step 3: Cross multiply
    10,067.03x = 13,891.91 × 5,590.51
  4. Step 4: Simplify right side
    10,067.03x = 77,662,799.09
  5. Step 5: Solve for x
    x = 77,662,799.09/10,067.03
  6. Step 6: Final answer
    x = 7,714.57

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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.