Home / 12,625.83-18,939.53-5,230.87

Finding the Fourth Proportional to 12,625.83, 18,939.53 and 5,230.87

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Solution

The fourth proportional to 12,625.83, 18,939.53 and 5,230.87 is: 7,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.83 : 18,939.53 = 5,230.87 : x
  2. Step 2: Convert to fraction form
    12,625.83/18,939.53 = 5,230.87/x
  3. Step 3: Cross multiply
    12,625.83x = 18,939.53 × 5,230.87
  4. Step 4: Simplify right side
    12,625.83x = 99,070,185.02
  5. Step 5: Solve for x
    x = 99,070,185.02/12,625.83
  6. Step 6: Final answer
    x = 7,846.63

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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.