Home / 21,676.39-32,517.30-7,447.62

Finding the Fourth Proportional to 21,676.39, 32,517.30 and 7,447.62

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Solution

The fourth proportional to 21,676.39, 32,517.30 and 7,447.62 is: 11,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.39 : 32,517.30 = 7,447.62 : x
  2. Step 2: Convert to fraction form
    21,676.39/32,517.30 = 7,447.62/x
  3. Step 3: Cross multiply
    21,676.39x = 32,517.30 × 7,447.62
  4. Step 4: Simplify right side
    21,676.39x = 242,176,312.62
  5. Step 5: Solve for x
    x = 242,176,312.62/21,676.39
  6. Step 6: Final answer
    x = 11,172.36

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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.