Home / 11,669.05-16,104.25-6,634.85

Finding the Fourth Proportional to 11,669.05, 16,104.25 and 6,634.85

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Solution

The fourth proportional to 11,669.05, 16,104.25 and 6,634.85 is: 9,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.05 : 16,104.25 = 6,634.85 : x
  2. Step 2: Convert to fraction form
    11,669.05/16,104.25 = 6,634.85/x
  3. Step 3: Cross multiply
    11,669.05x = 16,104.25 × 6,634.85
  4. Step 4: Simplify right side
    11,669.05x = 106,849,283.11
  5. Step 5: Solve for x
    x = 106,849,283.11/11,669.05
  6. Step 6: Final answer
    x = 9,156.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.