Home / 20,963.02-31,433.71-6,170.02

Finding the Fourth Proportional to 20,963.02, 31,433.71 and 6,170.02

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Solution

The fourth proportional to 20,963.02, 31,433.71 and 6,170.02 is: 9,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,963.02 : 31,433.71 = 6,170.02 : x
  2. Step 2: Convert to fraction form
    20,963.02/31,433.71 = 6,170.02/x
  3. Step 3: Cross multiply
    20,963.02x = 31,433.71 × 6,170.02
  4. Step 4: Simplify right side
    20,963.02x = 193,946,619.37
  5. Step 5: Solve for x
    x = 193,946,619.37/20,963.02
  6. Step 6: Final answer
    x = 9,251.85

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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.