Home / 12,192.62-16,826.01-6,887.66

Finding the Fourth Proportional to 12,192.62, 16,826.01 and 6,887.66

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Solution

The fourth proportional to 12,192.62, 16,826.01 and 6,887.66 is: 9,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.62 : 16,826.01 = 6,887.66 : x
  2. Step 2: Convert to fraction form
    12,192.62/16,826.01 = 6,887.66/x
  3. Step 3: Cross multiply
    12,192.62x = 16,826.01 × 6,887.66
  4. Step 4: Simplify right side
    12,192.62x = 115,891,836.04
  5. Step 5: Solve for x
    x = 115,891,836.04/12,192.62
  6. Step 6: Final answer
    x = 9,505.08

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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.