Home / 11,512.80-17,268.44-4,491.52

Finding the Fourth Proportional to 11,512.80, 17,268.44 and 4,491.52

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Solution

The fourth proportional to 11,512.80, 17,268.44 and 4,491.52 is: 6,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.80 : 17,268.44 = 4,491.52 : x
  2. Step 2: Convert to fraction form
    11,512.80/17,268.44 = 4,491.52/x
  3. Step 3: Cross multiply
    11,512.80x = 17,268.44 × 4,491.52
  4. Step 4: Simplify right side
    11,512.80x = 77,561,543.63
  5. Step 5: Solve for x
    x = 77,561,543.63/11,512.80
  6. Step 6: Final answer
    x = 6,736.98

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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.