Home / 11,927.72-17,869.02-11,427.24

Finding the Fourth Proportional to 11,927.72, 17,869.02 and 11,427.24

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Solution

The fourth proportional to 11,927.72, 17,869.02 and 11,427.24 is: 17,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.72 : 17,869.02 = 11,427.24 : x
  2. Step 2: Convert to fraction form
    11,927.72/17,869.02 = 11,427.24/x
  3. Step 3: Cross multiply
    11,927.72x = 17,869.02 × 11,427.24
  4. Step 4: Simplify right side
    11,927.72x = 204,193,580.10
  5. Step 5: Solve for x
    x = 204,193,580.10/11,927.72
  6. Step 6: Final answer
    x = 17,119.25

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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.