Home / 18,409.14-27,614.88-6,720.84

Finding the Fourth Proportional to 18,409.14, 27,614.88 and 6,720.84

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Solution

The fourth proportional to 18,409.14, 27,614.88 and 6,720.84 is: 10,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.14 : 27,614.88 = 6,720.84 : x
  2. Step 2: Convert to fraction form
    18,409.14/27,614.88 = 6,720.84/x
  3. Step 3: Cross multiply
    18,409.14x = 27,614.88 × 6,720.84
  4. Step 4: Simplify right side
    18,409.14x = 185,595,190.10
  5. Step 5: Solve for x
    x = 185,595,190.10/18,409.14
  6. Step 6: Final answer
    x = 10,081.69

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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.