Home / 19,649.12-27,112.74-11,264

Finding the Fourth Proportional to 19,649.12, 27,112.74 and 11,264

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Solution

The fourth proportional to 19,649.12, 27,112.74 and 11,264 is: 15,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,649.12 : 27,112.74 = 11,264 : x
  2. Step 2: Convert to fraction form
    19,649.12/27,112.74 = 11,264/x
  3. Step 3: Cross multiply
    19,649.12x = 27,112.74 × 11,264
  4. Step 4: Simplify right side
    19,649.12x = 305,397,903.36
  5. Step 5: Solve for x
    x = 305,397,903.36/19,649.12
  6. Step 6: Final answer
    x = 15,542.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.