Home / 11,579.80-17,369.47-11,272.25

Finding the Fourth Proportional to 11,579.80, 17,369.47 and 11,272.25

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Solution

The fourth proportional to 11,579.80, 17,369.47 and 11,272.25 is: 16,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.80 : 17,369.47 = 11,272.25 : x
  2. Step 2: Convert to fraction form
    11,579.80/17,369.47 = 11,272.25/x
  3. Step 3: Cross multiply
    11,579.80x = 17,369.47 × 11,272.25
  4. Step 4: Simplify right side
    11,579.80x = 195,793,008.21
  5. Step 5: Solve for x
    x = 195,793,008.21/11,579.80
  6. Step 6: Final answer
    x = 16,908.15

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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.