Home / 20,116.53-30,174.82-6,968.90

Finding the Fourth Proportional to 20,116.53, 30,174.82 and 6,968.90

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Solution

The fourth proportional to 20,116.53, 30,174.82 and 6,968.90 is: 10,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.53 : 30,174.82 = 6,968.90 : x
  2. Step 2: Convert to fraction form
    20,116.53/30,174.82 = 6,968.90/x
  3. Step 3: Cross multiply
    20,116.53x = 30,174.82 × 6,968.90
  4. Step 4: Simplify right side
    20,116.53x = 210,285,117.38
  5. Step 5: Solve for x
    x = 210,285,117.38/20,116.53
  6. Step 6: Final answer
    x = 10,453.35

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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.