Home / 20,839.60-31,262.12-6,794.70

Finding the Fourth Proportional to 20,839.60, 31,262.12 and 6,794.70

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Solution

The fourth proportional to 20,839.60, 31,262.12 and 6,794.70 is: 10,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.60 : 31,262.12 = 6,794.70 : x
  2. Step 2: Convert to fraction form
    20,839.60/31,262.12 = 6,794.70/x
  3. Step 3: Cross multiply
    20,839.60x = 31,262.12 × 6,794.70
  4. Step 4: Simplify right side
    20,839.60x = 212,416,726.76
  5. Step 5: Solve for x
    x = 212,416,726.76/20,839.60
  6. Step 6: Final answer
    x = 10,192.94

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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.