Home / 21,296.22-31,944.33-7,441.98

Finding the Fourth Proportional to 21,296.22, 31,944.33 and 7,441.98

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Solution

The fourth proportional to 21,296.22, 31,944.33 and 7,441.98 is: 11,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.22 : 31,944.33 = 7,441.98 : x
  2. Step 2: Convert to fraction form
    21,296.22/31,944.33 = 7,441.98/x
  3. Step 3: Cross multiply
    21,296.22x = 31,944.33 × 7,441.98
  4. Step 4: Simplify right side
    21,296.22x = 237,729,064.97
  5. Step 5: Solve for x
    x = 237,729,064.97/21,296.22
  6. Step 6: Final answer
    x = 11,162.97

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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.