Home / 17,948.88-24,768.86-9,991.44

Finding the Fourth Proportional to 17,948.88, 24,768.86 and 9,991.44

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Solution

The fourth proportional to 17,948.88, 24,768.86 and 9,991.44 is: 13,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.88 : 24,768.86 = 9,991.44 : x
  2. Step 2: Convert to fraction form
    17,948.88/24,768.86 = 9,991.44/x
  3. Step 3: Cross multiply
    17,948.88x = 24,768.86 × 9,991.44
  4. Step 4: Simplify right side
    17,948.88x = 247,476,528.60
  5. Step 5: Solve for x
    x = 247,476,528.60/17,948.88
  6. Step 6: Final answer
    x = 13,787.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.