Home / 20,951.83-31,427.75-6,160.82

Finding the Fourth Proportional to 20,951.83, 31,427.75 and 6,160.82

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Solution

The fourth proportional to 20,951.83, 31,427.75 and 6,160.82 is: 9,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951.83 : 31,427.75 = 6,160.82 : x
  2. Step 2: Convert to fraction form
    20,951.83/31,427.75 = 6,160.82/x
  3. Step 3: Cross multiply
    20,951.83x = 31,427.75 × 6,160.82
  4. Step 4: Simplify right side
    20,951.83x = 193,620,710.76
  5. Step 5: Solve for x
    x = 193,620,710.76/20,951.83
  6. Step 6: Final answer
    x = 9,241.23

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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.