Home / 20,941.73-31,416.44-6,902.58

Finding the Fourth Proportional to 20,941.73, 31,416.44 and 6,902.58

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Solution

The fourth proportional to 20,941.73, 31,416.44 and 6,902.58 is: 10,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.73 : 31,416.44 = 6,902.58 : x
  2. Step 2: Convert to fraction form
    20,941.73/31,416.44 = 6,902.58/x
  3. Step 3: Cross multiply
    20,941.73x = 31,416.44 × 6,902.58
  4. Step 4: Simplify right side
    20,941.73x = 216,854,455.90
  5. Step 5: Solve for x
    x = 216,854,455.90/20,941.73
  6. Step 6: Final answer
    x = 10,355.14

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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.