Home / 20,289.27-30,436.78-6,250.43

Finding the Fourth Proportional to 20,289.27, 30,436.78 and 6,250.43

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Solution

The fourth proportional to 20,289.27, 30,436.78 and 6,250.43 is: 9,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.27 : 30,436.78 = 6,250.43 : x
  2. Step 2: Convert to fraction form
    20,289.27/30,436.78 = 6,250.43/x
  3. Step 3: Cross multiply
    20,289.27x = 30,436.78 × 6,250.43
  4. Step 4: Simplify right side
    20,289.27x = 190,243,035.00
  5. Step 5: Solve for x
    x = 190,243,035.00/20,289.27
  6. Step 6: Final answer
    x = 9,376.54

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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.