Home / 18,200.32-27,288.42-7,108.08

Finding the Fourth Proportional to 18,200.32, 27,288.42 and 7,108.08

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Solution

The fourth proportional to 18,200.32, 27,288.42 and 7,108.08 is: 10,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.32 : 27,288.42 = 7,108.08 : x
  2. Step 2: Convert to fraction form
    18,200.32/27,288.42 = 7,108.08/x
  3. Step 3: Cross multiply
    18,200.32x = 27,288.42 × 7,108.08
  4. Step 4: Simplify right side
    18,200.32x = 193,968,272.43
  5. Step 5: Solve for x
    x = 193,968,272.43/18,200.32
  6. Step 6: Final answer
    x = 10,657.41

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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.