Home / 20,863.58-31,295.46-6,072.57

Finding the Fourth Proportional to 20,863.58, 31,295.46 and 6,072.57

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Solution

The fourth proportional to 20,863.58, 31,295.46 and 6,072.57 is: 9,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863.58 : 31,295.46 = 6,072.57 : x
  2. Step 2: Convert to fraction form
    20,863.58/31,295.46 = 6,072.57/x
  3. Step 3: Cross multiply
    20,863.58x = 31,295.46 × 6,072.57
  4. Step 4: Simplify right side
    20,863.58x = 190,043,894.30
  5. Step 5: Solve for x
    x = 190,043,894.30/20,863.58
  6. Step 6: Final answer
    x = 9,108.88

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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.