Home / 11,136.39-15,359.57-6,659.26

Finding the Fourth Proportional to 11,136.39, 15,359.57 and 6,659.26

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Solution

The fourth proportional to 11,136.39, 15,359.57 and 6,659.26 is: 9,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.39 : 15,359.57 = 6,659.26 : x
  2. Step 2: Convert to fraction form
    11,136.39/15,359.57 = 6,659.26/x
  3. Step 3: Cross multiply
    11,136.39x = 15,359.57 × 6,659.26
  4. Step 4: Simplify right side
    11,136.39x = 102,283,447.25
  5. Step 5: Solve for x
    x = 102,283,447.25/11,136.39
  6. Step 6: Final answer
    x = 9,184.62

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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.