Home / 11,001.03-15,181.35-5,965.20

Finding the Fourth Proportional to 11,001.03, 15,181.35 and 5,965.20

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Solution

The fourth proportional to 11,001.03, 15,181.35 and 5,965.20 is: 8,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.03 : 15,181.35 = 5,965.20 : x
  2. Step 2: Convert to fraction form
    11,001.03/15,181.35 = 5,965.20/x
  3. Step 3: Cross multiply
    11,001.03x = 15,181.35 × 5,965.20
  4. Step 4: Simplify right side
    11,001.03x = 90,559,789.02
  5. Step 5: Solve for x
    x = 90,559,789.02/11,001.03
  6. Step 6: Final answer
    x = 8,231.94

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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.