Home / 17,786.95-26,659.89-6,686.56

Finding the Fourth Proportional to 17,786.95, 26,659.89 and 6,686.56

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Solution

The fourth proportional to 17,786.95, 26,659.89 and 6,686.56 is: 10,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.95 : 26,659.89 = 6,686.56 : x
  2. Step 2: Convert to fraction form
    17,786.95/26,659.89 = 6,686.56/x
  3. Step 3: Cross multiply
    17,786.95x = 26,659.89 × 6,686.56
  4. Step 4: Simplify right side
    17,786.95x = 178,262,954.08
  5. Step 5: Solve for x
    x = 178,262,954.08/17,786.95
  6. Step 6: Final answer
    x = 10,022.12

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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.