Home / 18,790.59-28,161.41-10,470.27

Finding the Fourth Proportional to 18,790.59, 28,161.41 and 10,470.27

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Solution

The fourth proportional to 18,790.59, 28,161.41 and 10,470.27 is: 15,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.59 : 28,161.41 = 10,470.27 : x
  2. Step 2: Convert to fraction form
    18,790.59/28,161.41 = 10,470.27/x
  3. Step 3: Cross multiply
    18,790.59x = 28,161.41 × 10,470.27
  4. Step 4: Simplify right side
    18,790.59x = 294,857,513.93
  5. Step 5: Solve for x
    x = 294,857,513.93/18,790.59
  6. Step 6: Final answer
    x = 15,691.76

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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.