Home / 12,236.29-16,889.42-7,202.13

Finding the Fourth Proportional to 12,236.29, 16,889.42 and 7,202.13

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Solution

The fourth proportional to 12,236.29, 16,889.42 and 7,202.13 is: 9,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.29 : 16,889.42 = 7,202.13 : x
  2. Step 2: Convert to fraction form
    12,236.29/16,889.42 = 7,202.13/x
  3. Step 3: Cross multiply
    12,236.29x = 16,889.42 × 7,202.13
  4. Step 4: Simplify right side
    12,236.29x = 121,639,678.01
  5. Step 5: Solve for x
    x = 121,639,678.01/12,236.29
  6. Step 6: Final answer
    x = 9,940.90

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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.