Home / 19,802.22-27,322.38-11,731.80

Finding the Fourth Proportional to 19,802.22, 27,322.38 and 11,731.80

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Solution

The fourth proportional to 19,802.22, 27,322.38 and 11,731.80 is: 16,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.22 : 27,322.38 = 11,731.80 : x
  2. Step 2: Convert to fraction form
    19,802.22/27,322.38 = 11,731.80/x
  3. Step 3: Cross multiply
    19,802.22x = 27,322.38 × 11,731.80
  4. Step 4: Simplify right side
    19,802.22x = 320,540,697.68
  5. Step 5: Solve for x
    x = 320,540,697.68/19,802.22
  6. Step 6: Final answer
    x = 16,187.11

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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.