Home / 20,269.71-30,394.56-6,226.38

Finding the Fourth Proportional to 20,269.71, 30,394.56 and 6,226.38

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Solution

The fourth proportional to 20,269.71, 30,394.56 and 6,226.38 is: 9,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.71 : 30,394.56 = 6,226.38 : x
  2. Step 2: Convert to fraction form
    20,269.71/30,394.56 = 6,226.38/x
  3. Step 3: Cross multiply
    20,269.71x = 30,394.56 × 6,226.38
  4. Step 4: Simplify right side
    20,269.71x = 189,248,080.49
  5. Step 5: Solve for x
    x = 189,248,080.49/20,269.71
  6. Step 6: Final answer
    x = 9,336.50

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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.