Home / 20,286.30-30,429.51-6,246.24

Finding the Fourth Proportional to 20,286.30, 30,429.51 and 6,246.24

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Solution

The fourth proportional to 20,286.30, 30,429.51 and 6,246.24 is: 9,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286.30 : 30,429.51 = 6,246.24 : x
  2. Step 2: Convert to fraction form
    20,286.30/30,429.51 = 6,246.24/x
  3. Step 3: Cross multiply
    20,286.30x = 30,429.51 × 6,246.24
  4. Step 4: Simplify right side
    20,286.30x = 190,070,022.54
  5. Step 5: Solve for x
    x = 190,070,022.54/20,286.30
  6. Step 6: Final answer
    x = 9,369.38

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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.