Home / 20,954.64-31,437.36-6,164.04

Finding the Fourth Proportional to 20,954.64, 31,437.36 and 6,164.04

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Solution

The fourth proportional to 20,954.64, 31,437.36 and 6,164.04 is: 9,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954.64 : 31,437.36 = 6,164.04 : x
  2. Step 2: Convert to fraction form
    20,954.64/31,437.36 = 6,164.04/x
  3. Step 3: Cross multiply
    20,954.64x = 31,437.36 × 6,164.04
  4. Step 4: Simplify right side
    20,954.64x = 193,781,144.53
  5. Step 5: Solve for x
    x = 193,781,144.53/20,954.64
  6. Step 6: Final answer
    x = 9,247.65

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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.