Home / 9,522.30-13,136.67-5,979.90

Finding the Fourth Proportional to 9,522.30, 13,136.67 and 5,979.90

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Solution

The fourth proportional to 9,522.30, 13,136.67 and 5,979.90 is: 8,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,522.30 : 13,136.67 = 5,979.90 : x
  2. Step 2: Convert to fraction form
    9,522.30/13,136.67 = 5,979.90/x
  3. Step 3: Cross multiply
    9,522.30x = 13,136.67 × 5,979.90
  4. Step 4: Simplify right side
    9,522.30x = 78,555,972.93
  5. Step 5: Solve for x
    x = 78,555,972.93/9,522.30
  6. Step 6: Final answer
    x = 8,249.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.