Home / 19,726.17-27,218.50-11,227.80

Finding the Fourth Proportional to 19,726.17, 27,218.50 and 11,227.80

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Solution

The fourth proportional to 19,726.17, 27,218.50 and 11,227.80 is: 15,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.17 : 27,218.50 = 11,227.80 : x
  2. Step 2: Convert to fraction form
    19,726.17/27,218.50 = 11,227.80/x
  3. Step 3: Cross multiply
    19,726.17x = 27,218.50 × 11,227.80
  4. Step 4: Simplify right side
    19,726.17x = 305,603,858.35
  5. Step 5: Solve for x
    x = 305,603,858.35/19,726.17
  6. Step 6: Final answer
    x = 15,492.30

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1.5x scale

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.