Home / 11,943.05-17,881.70-9,012.47

Finding the Fourth Proportional to 11,943.05, 17,881.70 and 9,012.47

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Solution

The fourth proportional to 11,943.05, 17,881.70 and 9,012.47 is: 13,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.05 : 17,881.70 = 9,012.47 : x
  2. Step 2: Convert to fraction form
    11,943.05/17,881.70 = 9,012.47/x
  3. Step 3: Cross multiply
    11,943.05x = 17,881.70 × 9,012.47
  4. Step 4: Simplify right side
    11,943.05x = 161,158,150.33
  5. Step 5: Solve for x
    x = 161,158,150.33/11,943.05
  6. Step 6: Final answer
    x = 13,493.89

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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.