Home / 11,307.83-16,962.75-2,987.73

Finding the Fourth Proportional to 11,307.83, 16,962.75 and 2,987.73

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Solution

The fourth proportional to 11,307.83, 16,962.75 and 2,987.73 is: 4,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.83 : 16,962.75 = 2,987.73 : x
  2. Step 2: Convert to fraction form
    11,307.83/16,962.75 = 2,987.73/x
  3. Step 3: Cross multiply
    11,307.83x = 16,962.75 × 2,987.73
  4. Step 4: Simplify right side
    11,307.83x = 50,680,117.06
  5. Step 5: Solve for x
    x = 50,680,117.06/11,307.83
  6. Step 6: Final answer
    x = 4,481.86

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.