Home / 20,394.38-30,583.27-6,349.69

Finding the Fourth Proportional to 20,394.38, 30,583.27 and 6,349.69

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Solution

The fourth proportional to 20,394.38, 30,583.27 and 6,349.69 is: 9,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.38 : 30,583.27 = 6,349.69 : x
  2. Step 2: Convert to fraction form
    20,394.38/30,583.27 = 6,349.69/x
  3. Step 3: Cross multiply
    20,394.38x = 30,583.27 × 6,349.69
  4. Step 4: Simplify right side
    20,394.38x = 194,194,329.85
  5. Step 5: Solve for x
    x = 194,194,329.85/20,394.38
  6. Step 6: Final answer
    x = 9,521.95

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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.