Home / 20,188.17-30,283.79-6,149.38

Finding the Fourth Proportional to 20,188.17, 30,283.79 and 6,149.38

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Solution

The fourth proportional to 20,188.17, 30,283.79 and 6,149.38 is: 9,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.17 : 30,283.79 = 6,149.38 : x
  2. Step 2: Convert to fraction form
    20,188.17/30,283.79 = 6,149.38/x
  3. Step 3: Cross multiply
    20,188.17x = 30,283.79 × 6,149.38
  4. Step 4: Simplify right side
    20,188.17x = 186,226,532.55
  5. Step 5: Solve for x
    x = 186,226,532.55/20,188.17
  6. Step 6: Final answer
    x = 9,224.54

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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.