Home / 12,187.08-18,269.82-5,943.60

Finding the Fourth Proportional to 12,187.08, 18,269.82 and 5,943.60

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Solution

The fourth proportional to 12,187.08, 18,269.82 and 5,943.60 is: 8,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.08 : 18,269.82 = 5,943.60 : x
  2. Step 2: Convert to fraction form
    12,187.08/18,269.82 = 5,943.60/x
  3. Step 3: Cross multiply
    12,187.08x = 18,269.82 × 5,943.60
  4. Step 4: Simplify right side
    12,187.08x = 108,588,502.15
  5. Step 5: Solve for x
    x = 108,588,502.15/12,187.08
  6. Step 6: Final answer
    x = 8,910.13

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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.