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Finding the Fourth Proportional to 11,948, 17,806.24 and 11,325.92

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Solution

The fourth proportional to 11,948, 17,806.24 and 11,325.92 is: 16,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948 : 17,806.24 = 11,325.92 : x
  2. Step 2: Convert to fraction form
    11,948/17,806.24 = 11,325.92/x
  3. Step 3: Cross multiply
    11,948x = 17,806.24 × 11,325.92
  4. Step 4: Simplify right side
    11,948x = 201,672,049.74
  5. Step 5: Solve for x
    x = 201,672,049.74/11,948
  6. Step 6: Final answer
    x = 16,879.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.