Home / 11,785.02-17,663.31-5,203.74

Finding the Fourth Proportional to 11,785.02, 17,663.31 and 5,203.74

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Solution

The fourth proportional to 11,785.02, 17,663.31 and 5,203.74 is: 7,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.02 : 17,663.31 = 5,203.74 : x
  2. Step 2: Convert to fraction form
    11,785.02/17,663.31 = 5,203.74/x
  3. Step 3: Cross multiply
    11,785.02x = 17,663.31 × 5,203.74
  4. Step 4: Simplify right side
    11,785.02x = 91,915,272.78
  5. Step 5: Solve for x
    x = 91,915,272.78/11,785.02
  6. Step 6: Final answer
    x = 7,799.33

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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.