Home / 11,231.21-15,504.16-8,003.11

Finding the Fourth Proportional to 11,231.21, 15,504.16 and 8,003.11

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Solution

The fourth proportional to 11,231.21, 15,504.16 and 8,003.11 is: 11,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.21 : 15,504.16 = 8,003.11 : x
  2. Step 2: Convert to fraction form
    11,231.21/15,504.16 = 8,003.11/x
  3. Step 3: Cross multiply
    11,231.21x = 15,504.16 × 8,003.11
  4. Step 4: Simplify right side
    11,231.21x = 124,081,420.42
  5. Step 5: Solve for x
    x = 124,081,420.42/11,231.21
  6. Step 6: Final answer
    x = 11,047.92

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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.