Home / 18,622.08-27,918.48-6,928.92

Finding the Fourth Proportional to 18,622.08, 27,918.48 and 6,928.92

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Solution

The fourth proportional to 18,622.08, 27,918.48 and 6,928.92 is: 10,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.08 : 27,918.48 = 6,928.92 : x
  2. Step 2: Convert to fraction form
    18,622.08/27,918.48 = 6,928.92/x
  3. Step 3: Cross multiply
    18,622.08x = 27,918.48 × 6,928.92
  4. Step 4: Simplify right side
    18,622.08x = 193,444,914.44
  5. Step 5: Solve for x
    x = 193,444,914.44/18,622.08
  6. Step 6: Final answer
    x = 10,387.93

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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.