Home / 18,203.32-27,292.92-7,111.06

Finding the Fourth Proportional to 18,203.32, 27,292.92 and 7,111.06

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Solution

The fourth proportional to 18,203.32, 27,292.92 and 7,111.06 is: 10,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.32 : 27,292.92 = 7,111.06 : x
  2. Step 2: Convert to fraction form
    18,203.32/27,292.92 = 7,111.06/x
  3. Step 3: Cross multiply
    18,203.32x = 27,292.92 × 7,111.06
  4. Step 4: Simplify right side
    18,203.32x = 194,081,591.70
  5. Step 5: Solve for x
    x = 194,081,591.70/18,203.32
  6. Step 6: Final answer
    x = 10,661.88

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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.