Home / 20,944.78-31,417.38-6,153.94

Finding the Fourth Proportional to 20,944.78, 31,417.38 and 6,153.94

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Solution

The fourth proportional to 20,944.78, 31,417.38 and 6,153.94 is: 9,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.78 : 31,417.38 = 6,153.94 : x
  2. Step 2: Convert to fraction form
    20,944.78/31,417.38 = 6,153.94/x
  3. Step 3: Cross multiply
    20,944.78x = 31,417.38 × 6,153.94
  4. Step 4: Simplify right side
    20,944.78x = 193,340,671.48
  5. Step 5: Solve for x
    x = 193,340,671.48/20,944.78
  6. Step 6: Final answer
    x = 9,230.97

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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.