Home / 12,236.05-16,879.56-7,197.07

Finding the Fourth Proportional to 12,236.05, 16,879.56 and 7,197.07

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Solution

The fourth proportional to 12,236.05, 16,879.56 and 7,197.07 is: 9,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.05 : 16,879.56 = 7,197.07 : x
  2. Step 2: Convert to fraction form
    12,236.05/16,879.56 = 7,197.07/x
  3. Step 3: Cross multiply
    12,236.05x = 16,879.56 × 7,197.07
  4. Step 4: Simplify right side
    12,236.05x = 121,483,374.89
  5. Step 5: Solve for x
    x = 121,483,374.89/12,236.05
  6. Step 6: Final answer
    x = 9,928.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.