Home / 11,001.11-15,181.61-5,965.36

Finding the Fourth Proportional to 11,001.11, 15,181.61 and 5,965.36

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Solution

The fourth proportional to 11,001.11, 15,181.61 and 5,965.36 is: 8,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.11 : 15,181.61 = 5,965.36 : x
  2. Step 2: Convert to fraction form
    11,001.11/15,181.61 = 5,965.36/x
  3. Step 3: Cross multiply
    11,001.11x = 15,181.61 × 5,965.36
  4. Step 4: Simplify right side
    11,001.11x = 90,563,769.03
  5. Step 5: Solve for x
    x = 90,563,769.03/11,001.11
  6. Step 6: Final answer
    x = 8,232.24

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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.