Home / 11,256.82-15,535.02-6,781.96

Finding the Fourth Proportional to 11,256.82, 15,535.02 and 6,781.96

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Solution

The fourth proportional to 11,256.82, 15,535.02 and 6,781.96 is: 9,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.82 : 15,535.02 = 6,781.96 : x
  2. Step 2: Convert to fraction form
    11,256.82/15,535.02 = 6,781.96/x
  3. Step 3: Cross multiply
    11,256.82x = 15,535.02 × 6,781.96
  4. Step 4: Simplify right side
    11,256.82x = 105,357,884.24
  5. Step 5: Solve for x
    x = 105,357,884.24/11,256.82
  6. Step 6: Final answer
    x = 9,359.47

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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.