Home / 13,087.44-19,630.62-8,917.02

Finding the Fourth Proportional to 13,087.44, 19,630.62 and 8,917.02

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Solution

The fourth proportional to 13,087.44, 19,630.62 and 8,917.02 is: 13,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.44 : 19,630.62 = 8,917.02 : x
  2. Step 2: Convert to fraction form
    13,087.44/19,630.62 = 8,917.02/x
  3. Step 3: Cross multiply
    13,087.44x = 19,630.62 × 8,917.02
  4. Step 4: Simplify right side
    13,087.44x = 175,046,631.15
  5. Step 5: Solve for x
    x = 175,046,631.15/13,087.44
  6. Step 6: Final answer
    x = 13,375.16

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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.