Home / 7,968.58-11,974.74-7,515.69

Finding the Fourth Proportional to 7,968.58, 11,974.74 and 7,515.69

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Solution

The fourth proportional to 7,968.58, 11,974.74 and 7,515.69 is: 11,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.58 : 11,974.74 = 7,515.69 : x
  2. Step 2: Convert to fraction form
    7,968.58/11,974.74 = 7,515.69/x
  3. Step 3: Cross multiply
    7,968.58x = 11,974.74 × 7,515.69
  4. Step 4: Simplify right side
    7,968.58x = 89,998,360.58
  5. Step 5: Solve for x
    x = 89,998,360.58/7,968.58
  6. Step 6: Final answer
    x = 11,294.16

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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.