Home / 11,356.07-17,039.57-4,781.43

Finding the Fourth Proportional to 11,356.07, 17,039.57 and 4,781.43

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Solution

The fourth proportional to 11,356.07, 17,039.57 and 4,781.43 is: 7,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.07 : 17,039.57 = 4,781.43 : x
  2. Step 2: Convert to fraction form
    11,356.07/17,039.57 = 4,781.43/x
  3. Step 3: Cross multiply
    11,356.07x = 17,039.57 × 4,781.43
  4. Step 4: Simplify right side
    11,356.07x = 81,473,487.28
  5. Step 5: Solve for x
    x = 81,473,487.28/11,356.07
  6. Step 6: Final answer
    x = 7,174.45

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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.