Home / 18,200.06-27,294.60-7,103.75

Finding the Fourth Proportional to 18,200.06, 27,294.60 and 7,103.75

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Solution

The fourth proportional to 18,200.06, 27,294.60 and 7,103.75 is: 10,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.06 : 27,294.60 = 7,103.75 : x
  2. Step 2: Convert to fraction form
    18,200.06/27,294.60 = 7,103.75/x
  3. Step 3: Cross multiply
    18,200.06x = 27,294.60 × 7,103.75
  4. Step 4: Simplify right side
    18,200.06x = 193,894,014.75
  5. Step 5: Solve for x
    x = 193,894,014.75/18,200.06
  6. Step 6: Final answer
    x = 10,653.48

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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.