Home / 11,000.23-15,180.22-6,221.11

Finding the Fourth Proportional to 11,000.23, 15,180.22 and 6,221.11

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Solution

The fourth proportional to 11,000.23, 15,180.22 and 6,221.11 is: 8,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.23 : 15,180.22 = 6,221.11 : x
  2. Step 2: Convert to fraction form
    11,000.23/15,180.22 = 6,221.11/x
  3. Step 3: Cross multiply
    11,000.23x = 15,180.22 × 6,221.11
  4. Step 4: Simplify right side
    11,000.23x = 94,437,796.79
  5. Step 5: Solve for x
    x = 94,437,796.79/11,000.23
  6. Step 6: Final answer
    x = 8,585.08

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Half scale
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Double scale
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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.