Home / 11,026.09-15,215.74-5,990.20

Finding the Fourth Proportional to 11,026.09, 15,215.74 and 5,990.20

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Solution

The fourth proportional to 11,026.09, 15,215.74 and 5,990.20 is: 8,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.09 : 15,215.74 = 5,990.20 : x
  2. Step 2: Convert to fraction form
    11,026.09/15,215.74 = 5,990.20/x
  3. Step 3: Cross multiply
    11,026.09x = 15,215.74 × 5,990.20
  4. Step 4: Simplify right side
    11,026.09x = 91,145,272.73
  5. Step 5: Solve for x
    x = 91,145,272.73/11,026.09
  6. Step 6: Final answer
    x = 8,266.33

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Similar ratio
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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.