Home / 20,114.54-30,164.61-6,963.38

Finding the Fourth Proportional to 20,114.54, 30,164.61 and 6,963.38

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Solution

The fourth proportional to 20,114.54, 30,164.61 and 6,963.38 is: 10,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.54 : 30,164.61 = 6,963.38 : x
  2. Step 2: Convert to fraction form
    20,114.54/30,164.61 = 6,963.38/x
  3. Step 3: Cross multiply
    20,114.54x = 30,164.61 × 6,963.38
  4. Step 4: Simplify right side
    20,114.54x = 210,047,641.98
  5. Step 5: Solve for x
    x = 210,047,641.98/20,114.54
  6. Step 6: Final answer
    x = 10,442.58

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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.