Home / 11,270.31-15,553.07-6,234.45

Finding the Fourth Proportional to 11,270.31, 15,553.07 and 6,234.45

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Solution

The fourth proportional to 11,270.31, 15,553.07 and 6,234.45 is: 8,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.31 : 15,553.07 = 6,234.45 : x
  2. Step 2: Convert to fraction form
    11,270.31/15,553.07 = 6,234.45/x
  3. Step 3: Cross multiply
    11,270.31x = 15,553.07 × 6,234.45
  4. Step 4: Simplify right side
    11,270.31x = 96,964,806.09
  5. Step 5: Solve for x
    x = 96,964,806.09/11,270.31
  6. Step 6: Final answer
    x = 8,603.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.