Home / 10,084.41-15,115.41-7,611.21

Finding the Fourth Proportional to 10,084.41, 15,115.41 and 7,611.21

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Solution

The fourth proportional to 10,084.41, 15,115.41 and 7,611.21 is: 11,408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.41 : 15,115.41 = 7,611.21 : x
  2. Step 2: Convert to fraction form
    10,084.41/15,115.41 = 7,611.21/x
  3. Step 3: Cross multiply
    10,084.41x = 15,115.41 × 7,611.21
  4. Step 4: Simplify right side
    10,084.41x = 115,046,559.75
  5. Step 5: Solve for x
    x = 115,046,559.75/10,084.41
  6. Step 6: Final answer
    x = 11,408.36

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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.