Home / 21,036.60-31,550.04-6,241.95

Finding the Fourth Proportional to 21,036.60, 31,550.04 and 6,241.95

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Solution

The fourth proportional to 21,036.60, 31,550.04 and 6,241.95 is: 9,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.60 : 31,550.04 = 6,241.95 : x
  2. Step 2: Convert to fraction form
    21,036.60/31,550.04 = 6,241.95/x
  3. Step 3: Cross multiply
    21,036.60x = 31,550.04 × 6,241.95
  4. Step 4: Simplify right side
    21,036.60x = 196,933,772.18
  5. Step 5: Solve for x
    x = 196,933,772.18/21,036.60
  6. Step 6: Final answer
    x = 9,361.48

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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.