Home / 20,013.91-27,618.80-11,061.22

Finding the Fourth Proportional to 20,013.91, 27,618.80 and 11,061.22

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Solution

The fourth proportional to 20,013.91, 27,618.80 and 11,061.22 is: 15,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.91 : 27,618.80 = 11,061.22 : x
  2. Step 2: Convert to fraction form
    20,013.91/27,618.80 = 11,061.22/x
  3. Step 3: Cross multiply
    20,013.91x = 27,618.80 × 11,061.22
  4. Step 4: Simplify right side
    20,013.91x = 305,497,622.94
  5. Step 5: Solve for x
    x = 305,497,622.94/20,013.91
  6. Step 6: Final answer
    x = 15,264.26

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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.