Home / 20,162.03-27,822.02-11,208.99

Finding the Fourth Proportional to 20,162.03, 27,822.02 and 11,208.99

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Solution

The fourth proportional to 20,162.03, 27,822.02 and 11,208.99 is: 15,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.03 : 27,822.02 = 11,208.99 : x
  2. Step 2: Convert to fraction form
    20,162.03/27,822.02 = 11,208.99/x
  3. Step 3: Cross multiply
    20,162.03x = 27,822.02 × 11,208.99
  4. Step 4: Simplify right side
    20,162.03x = 311,856,548.80
  5. Step 5: Solve for x
    x = 311,856,548.80/20,162.03
  6. Step 6: Final answer
    x = 15,467.52

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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.