Home / 20,116.41-30,174.78-6,076.47

Finding the Fourth Proportional to 20,116.41, 30,174.78 and 6,076.47

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Solution

The fourth proportional to 20,116.41, 30,174.78 and 6,076.47 is: 9,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.41 : 30,174.78 = 6,076.47 : x
  2. Step 2: Convert to fraction form
    20,116.41/30,174.78 = 6,076.47/x
  3. Step 3: Cross multiply
    20,116.41x = 30,174.78 × 6,076.47
  4. Step 4: Simplify right side
    20,116.41x = 183,356,145.43
  5. Step 5: Solve for x
    x = 183,356,145.43/20,116.41
  6. Step 6: Final answer
    x = 9,114.75

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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.