Home / 12,137.09-18,190.51-4,337.33

Finding the Fourth Proportional to 12,137.09, 18,190.51 and 4,337.33

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Solution

The fourth proportional to 12,137.09, 18,190.51 and 4,337.33 is: 6,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.09 : 18,190.51 = 4,337.33 : x
  2. Step 2: Convert to fraction form
    12,137.09/18,190.51 = 4,337.33/x
  3. Step 3: Cross multiply
    12,137.09x = 18,190.51 × 4,337.33
  4. Step 4: Simplify right side
    12,137.09x = 78,898,142.94
  5. Step 5: Solve for x
    x = 78,898,142.94/12,137.09
  6. Step 6: Final answer
    x = 6,500.58

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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.