Home / 11,000.22-15,180.58-6,220.32

Finding the Fourth Proportional to 11,000.22, 15,180.58 and 6,220.32

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Solution

The fourth proportional to 11,000.22, 15,180.58 and 6,220.32 is: 8,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.22 : 15,180.58 = 6,220.32 : x
  2. Step 2: Convert to fraction form
    11,000.22/15,180.58 = 6,220.32/x
  3. Step 3: Cross multiply
    11,000.22x = 15,180.58 × 6,220.32
  4. Step 4: Simplify right side
    11,000.22x = 94,428,065.39
  5. Step 5: Solve for x
    x = 94,428,065.39/11,000.22
  6. Step 6: Final answer
    x = 8,584.20

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Half scale
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Double scale
Find fourth proportional to 11,001.22, 15,181.96 and 6,221.32
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.