Home / 10,799.09-16,161.90-6,636.90

Finding the Fourth Proportional to 10,799.09, 16,161.90 and 6,636.90

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Solution

The fourth proportional to 10,799.09, 16,161.90 and 6,636.90 is: 9,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,799.09 : 16,161.90 = 6,636.90 : x
  2. Step 2: Convert to fraction form
    10,799.09/16,161.90 = 6,636.90/x
  3. Step 3: Cross multiply
    10,799.09x = 16,161.90 × 6,636.90
  4. Step 4: Simplify right side
    10,799.09x = 107,264,914.11
  5. Step 5: Solve for x
    x = 107,264,914.11/10,799.09
  6. Step 6: Final answer
    x = 9,932.78

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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.