Home / 15,269.68-22,913.10-8,249.56

Finding the Fourth Proportional to 15,269.68, 22,913.10 and 8,249.56

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Solution

The fourth proportional to 15,269.68, 22,913.10 and 8,249.56 is: 12,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269.68 : 22,913.10 = 8,249.56 : x
  2. Step 2: Convert to fraction form
    15,269.68/22,913.10 = 8,249.56/x
  3. Step 3: Cross multiply
    15,269.68x = 22,913.10 × 8,249.56
  4. Step 4: Simplify right side
    15,269.68x = 189,022,993.24
  5. Step 5: Solve for x
    x = 189,022,993.24/15,269.68
  6. Step 6: Final answer
    x = 12,378.98

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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.