Home / 11,426.64-17,136.32-3,633.63

Finding the Fourth Proportional to 11,426.64, 17,136.32 and 3,633.63

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Solution

The fourth proportional to 11,426.64, 17,136.32 and 3,633.63 is: 5,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.64 : 17,136.32 = 3,633.63 : x
  2. Step 2: Convert to fraction form
    11,426.64/17,136.32 = 3,633.63/x
  3. Step 3: Cross multiply
    11,426.64x = 17,136.32 × 3,633.63
  4. Step 4: Simplify right side
    11,426.64x = 62,267,028.27
  5. Step 5: Solve for x
    x = 62,267,028.27/11,426.64
  6. Step 6: Final answer
    x = 5,449.29

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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.