Home / 18,694.45-27,975.84-11,677.77

Finding the Fourth Proportional to 18,694.45, 27,975.84 and 11,677.77

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Solution

The fourth proportional to 18,694.45, 27,975.84 and 11,677.77 is: 17,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.45 : 27,975.84 = 11,677.77 : x
  2. Step 2: Convert to fraction form
    18,694.45/27,975.84 = 11,677.77/x
  3. Step 3: Cross multiply
    18,694.45x = 27,975.84 × 11,677.77
  4. Step 4: Simplify right side
    18,694.45x = 326,695,285.20
  5. Step 5: Solve for x
    x = 326,695,285.20/18,694.45
  6. Step 6: Final answer
    x = 17,475.53

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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.