Home / 10,305.36-14,221.44-5,590.08

Finding the Fourth Proportional to 10,305.36, 14,221.44 and 5,590.08

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Solution

The fourth proportional to 10,305.36, 14,221.44 and 5,590.08 is: 7,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.36 : 14,221.44 = 5,590.08 : x
  2. Step 2: Convert to fraction form
    10,305.36/14,221.44 = 5,590.08/x
  3. Step 3: Cross multiply
    10,305.36x = 14,221.44 × 5,590.08
  4. Step 4: Simplify right side
    10,305.36x = 79,498,987.32
  5. Step 5: Solve for x
    x = 79,498,987.32/10,305.36
  6. Step 6: Final answer
    x = 7,714.33

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