Home / 20,944.76-31,418.67-7,797.13

Finding the Fourth Proportional to 20,944.76, 31,418.67 and 7,797.13

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Solution

The fourth proportional to 20,944.76, 31,418.67 and 7,797.13 is: 11,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.76 : 31,418.67 = 7,797.13 : x
  2. Step 2: Convert to fraction form
    20,944.76/31,418.67 = 7,797.13/x
  3. Step 3: Cross multiply
    20,944.76x = 31,418.67 × 7,797.13
  4. Step 4: Simplify right side
    20,944.76x = 244,975,454.42
  5. Step 5: Solve for x
    x = 244,975,454.42/20,944.76
  6. Step 6: Final answer
    x = 11,696.26

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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.