Home / 18,269.86-25,214.54-15,198.29

Finding the Fourth Proportional to 18,269.86, 25,214.54 and 15,198.29

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Solution

The fourth proportional to 18,269.86, 25,214.54 and 15,198.29 is: 20,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.86 : 25,214.54 = 15,198.29 : x
  2. Step 2: Convert to fraction form
    18,269.86/25,214.54 = 15,198.29/x
  3. Step 3: Cross multiply
    18,269.86x = 25,214.54 × 15,198.29
  4. Step 4: Simplify right side
    18,269.86x = 383,217,790.10
  5. Step 5: Solve for x
    x = 383,217,790.10/18,269.86
  6. Step 6: Final answer
    x = 20,975.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.