Home / 21,697.21-32,508.67-11,843.41

Finding the Fourth Proportional to 21,697.21, 32,508.67 and 11,843.41

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Solution

The fourth proportional to 21,697.21, 32,508.67 and 11,843.41 is: 17,744.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697.21 : 32,508.67 = 11,843.41 : x
  2. Step 2: Convert to fraction form
    21,697.21/32,508.67 = 11,843.41/x
  3. Step 3: Cross multiply
    21,697.21x = 32,508.67 × 11,843.41
  4. Step 4: Simplify right side
    21,697.21x = 385,013,507.36
  5. Step 5: Solve for x
    x = 385,013,507.36/21,697.21
  6. Step 6: Final answer
    x = 17,744.84

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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.