Home / 19,726.50-27,223.38-11,343

Finding the Fourth Proportional to 19,726.50, 27,223.38 and 11,343

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Solution

The fourth proportional to 19,726.50, 27,223.38 and 11,343 is: 15,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.50 : 27,223.38 = 11,343 : x
  2. Step 2: Convert to fraction form
    19,726.50/27,223.38 = 11,343/x
  3. Step 3: Cross multiply
    19,726.50x = 27,223.38 × 11,343
  4. Step 4: Simplify right side
    19,726.50x = 308,794,799.34
  5. Step 5: Solve for x
    x = 308,794,799.34/19,726.50
  6. Step 6: Final answer
    x = 15,653.81

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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.