Home / 11,026.03-15,215.85-5,990.21

Finding the Fourth Proportional to 11,026.03, 15,215.85 and 5,990.21

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Solution

The fourth proportional to 11,026.03, 15,215.85 and 5,990.21 is: 8,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.03 : 15,215.85 = 5,990.21 : x
  2. Step 2: Convert to fraction form
    11,026.03/15,215.85 = 5,990.21/x
  3. Step 3: Cross multiply
    11,026.03x = 15,215.85 × 5,990.21
  4. Step 4: Simplify right side
    11,026.03x = 91,146,060.75
  5. Step 5: Solve for x
    x = 91,146,060.75/11,026.03
  6. Step 6: Final answer
    x = 8,266.45

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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.