Home / 18,660.68-27,995.14-6,184.60

Finding the Fourth Proportional to 18,660.68, 27,995.14 and 6,184.60

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Solution

The fourth proportional to 18,660.68, 27,995.14 and 6,184.60 is: 9,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.68 : 27,995.14 = 6,184.60 : x
  2. Step 2: Convert to fraction form
    18,660.68/27,995.14 = 6,184.60/x
  3. Step 3: Cross multiply
    18,660.68x = 27,995.14 × 6,184.60
  4. Step 4: Simplify right side
    18,660.68x = 173,138,742.84
  5. Step 5: Solve for x
    x = 173,138,742.84/18,660.68
  6. Step 6: Final answer
    x = 9,278.27

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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.