Home / 9,136.79-13,665.57-5,379.62

Finding the Fourth Proportional to 9,136.79, 13,665.57 and 5,379.62

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Solution

The fourth proportional to 9,136.79, 13,665.57 and 5,379.62 is: 8,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.79 : 13,665.57 = 5,379.62 : x
  2. Step 2: Convert to fraction form
    9,136.79/13,665.57 = 5,379.62/x
  3. Step 3: Cross multiply
    9,136.79x = 13,665.57 × 5,379.62
  4. Step 4: Simplify right side
    9,136.79x = 73,515,505.36
  5. Step 5: Solve for x
    x = 73,515,505.36/9,136.79
  6. Step 6: Final answer
    x = 8,046.10

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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.