Home / 12,507.24-18,757.08-4,185.30

Finding the Fourth Proportional to 12,507.24, 18,757.08 and 4,185.30

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Solution

The fourth proportional to 12,507.24, 18,757.08 and 4,185.30 is: 6,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.24 : 18,757.08 = 4,185.30 : x
  2. Step 2: Convert to fraction form
    12,507.24/18,757.08 = 4,185.30/x
  3. Step 3: Cross multiply
    12,507.24x = 18,757.08 × 4,185.30
  4. Step 4: Simplify right side
    12,507.24x = 78,504,006.92
  5. Step 5: Solve for x
    x = 78,504,006.92/12,507.24
  6. Step 6: Final answer
    x = 6,276.69

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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.