Home / 14,987.44-22,481.16-8,419.76

Finding the Fourth Proportional to 14,987.44, 22,481.16 and 8,419.76

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Solution

The fourth proportional to 14,987.44, 22,481.16 and 8,419.76 is: 12,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.44 : 22,481.16 = 8,419.76 : x
  2. Step 2: Convert to fraction form
    14,987.44/22,481.16 = 8,419.76/x
  3. Step 3: Cross multiply
    14,987.44x = 22,481.16 × 8,419.76
  4. Step 4: Simplify right side
    14,987.44x = 189,285,971.72
  5. Step 5: Solve for x
    x = 189,285,971.72/14,987.44
  6. Step 6: Final answer
    x = 12,629.64

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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.