Home / 21,786.64-32,683.37-9,306.73

Finding the Fourth Proportional to 21,786.64, 32,683.37 and 9,306.73

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Solution

The fourth proportional to 21,786.64, 32,683.37 and 9,306.73 is: 13,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.64 : 32,683.37 = 9,306.73 : x
  2. Step 2: Convert to fraction form
    21,786.64/32,683.37 = 9,306.73/x
  3. Step 3: Cross multiply
    21,786.64x = 32,683.37 × 9,306.73
  4. Step 4: Simplify right side
    21,786.64x = 304,175,294.40
  5. Step 5: Solve for x
    x = 304,175,294.40/21,786.64
  6. Step 6: Final answer
    x = 13,961.55

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1.5x scale

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.