Home / 21,677.76-32,522.31-9,198.27

Finding the Fourth Proportional to 21,677.76, 32,522.31 and 9,198.27

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Solution

The fourth proportional to 21,677.76, 32,522.31 and 9,198.27 is: 13,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.76 : 32,522.31 = 9,198.27 : x
  2. Step 2: Convert to fraction form
    21,677.76/32,522.31 = 9,198.27/x
  3. Step 3: Cross multiply
    21,677.76x = 32,522.31 × 9,198.27
  4. Step 4: Simplify right side
    21,677.76x = 299,148,988.40
  5. Step 5: Solve for x
    x = 299,148,988.40/21,677.76
  6. Step 6: Final answer
    x = 13,799.81

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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.