Home / 12,160.48-18,236.24-4,260.85

Finding the Fourth Proportional to 12,160.48, 18,236.24 and 4,260.85

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Solution

The fourth proportional to 12,160.48, 18,236.24 and 4,260.85 is: 6,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.48 : 18,236.24 = 4,260.85 : x
  2. Step 2: Convert to fraction form
    12,160.48/18,236.24 = 4,260.85/x
  3. Step 3: Cross multiply
    12,160.48x = 18,236.24 × 4,260.85
  4. Step 4: Simplify right side
    12,160.48x = 77,701,934.87
  5. Step 5: Solve for x
    x = 77,701,934.87/12,160.48
  6. Step 6: Final answer
    x = 6,389.71

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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.