Home / 10,618.80-15,906.30-6,222.93

Finding the Fourth Proportional to 10,618.80, 15,906.30 and 6,222.93

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Solution

The fourth proportional to 10,618.80, 15,906.30 and 6,222.93 is: 9,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.80 : 15,906.30 = 6,222.93 : x
  2. Step 2: Convert to fraction form
    10,618.80/15,906.30 = 6,222.93/x
  3. Step 3: Cross multiply
    10,618.80x = 15,906.30 × 6,222.93
  4. Step 4: Simplify right side
    10,618.80x = 98,983,791.46
  5. Step 5: Solve for x
    x = 98,983,791.46/10,618.80
  6. Step 6: Final answer
    x = 9,321.56

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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.