Home / 11,387.30-17,054.70-10,993.28

Finding the Fourth Proportional to 11,387.30, 17,054.70 and 10,993.28

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Solution

The fourth proportional to 11,387.30, 17,054.70 and 10,993.28 is: 16,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.30 : 17,054.70 = 10,993.28 : x
  2. Step 2: Convert to fraction form
    11,387.30/17,054.70 = 10,993.28/x
  3. Step 3: Cross multiply
    11,387.30x = 17,054.70 × 10,993.28
  4. Step 4: Simplify right side
    11,387.30x = 187,487,092.42
  5. Step 5: Solve for x
    x = 187,487,092.42/11,387.30
  6. Step 6: Final answer
    x = 16,464.58

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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.