Home / 20,336.58-30,505.95-6,306.30

Finding the Fourth Proportional to 20,336.58, 30,505.95 and 6,306.30

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Solution

The fourth proportional to 20,336.58, 30,505.95 and 6,306.30 is: 9,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.58 : 30,505.95 = 6,306.30 : x
  2. Step 2: Convert to fraction form
    20,336.58/30,505.95 = 6,306.30/x
  3. Step 3: Cross multiply
    20,336.58x = 30,505.95 × 6,306.30
  4. Step 4: Simplify right side
    20,336.58x = 192,379,672.49
  5. Step 5: Solve for x
    x = 192,379,672.49/20,336.58
  6. Step 6: Final answer
    x = 9,459.78

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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.