Home / 8,173.23-12,249.06-3,240.18

Finding the Fourth Proportional to 8,173.23, 12,249.06 and 3,240.18

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Solution

The fourth proportional to 8,173.23, 12,249.06 and 3,240.18 is: 4,855.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.23 : 12,249.06 = 3,240.18 : x
  2. Step 2: Convert to fraction form
    8,173.23/12,249.06 = 3,240.18/x
  3. Step 3: Cross multiply
    8,173.23x = 12,249.06 × 3,240.18
  4. Step 4: Simplify right side
    8,173.23x = 39,689,159.23
  5. Step 5: Solve for x
    x = 39,689,159.23/8,173.23
  6. Step 6: Final answer
    x = 4,855.99

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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.