Home / 18,790.22-28,199.61-6,955.19

Finding the Fourth Proportional to 18,790.22, 28,199.61 and 6,955.19

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Solution

The fourth proportional to 18,790.22, 28,199.61 and 6,955.19 is: 10,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.22 : 28,199.61 = 6,955.19 : x
  2. Step 2: Convert to fraction form
    18,790.22/28,199.61 = 6,955.19/x
  3. Step 3: Cross multiply
    18,790.22x = 28,199.61 × 6,955.19
  4. Step 4: Simplify right side
    18,790.22x = 196,133,645.48
  5. Step 5: Solve for x
    x = 196,133,645.48/18,790.22
  6. Step 6: Final answer
    x = 10,438.07

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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.