Home / 8,725.44-13,086.78-7,254.12

Finding the Fourth Proportional to 8,725.44, 13,086.78 and 7,254.12

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Solution

The fourth proportional to 8,725.44, 13,086.78 and 7,254.12 is: 10,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.44 : 13,086.78 = 7,254.12 : x
  2. Step 2: Convert to fraction form
    8,725.44/13,086.78 = 7,254.12/x
  3. Step 3: Cross multiply
    8,725.44x = 13,086.78 × 7,254.12
  4. Step 4: Simplify right side
    8,725.44x = 94,933,072.53
  5. Step 5: Solve for x
    x = 94,933,072.53/8,725.44
  6. Step 6: Final answer
    x = 10,880.03

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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.