Home / 18,221.36-27,330.93-10,729.13

Finding the Fourth Proportional to 18,221.36, 27,330.93 and 10,729.13

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Solution

The fourth proportional to 18,221.36, 27,330.93 and 10,729.13 is: 16,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.36 : 27,330.93 = 10,729.13 : x
  2. Step 2: Convert to fraction form
    18,221.36/27,330.93 = 10,729.13/x
  3. Step 3: Cross multiply
    18,221.36x = 27,330.93 × 10,729.13
  4. Step 4: Simplify right side
    18,221.36x = 293,236,964.34
  5. Step 5: Solve for x
    x = 293,236,964.34/18,221.36
  6. Step 6: Final answer
    x = 16,093.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.