Home / 17,912.72-24,717.69-11,199.08

Finding the Fourth Proportional to 17,912.72, 24,717.69 and 11,199.08

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Solution

The fourth proportional to 17,912.72, 24,717.69 and 11,199.08 is: 15,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.72 : 24,717.69 = 11,199.08 : x
  2. Step 2: Convert to fraction form
    17,912.72/24,717.69 = 11,199.08/x
  3. Step 3: Cross multiply
    17,912.72x = 24,717.69 × 11,199.08
  4. Step 4: Simplify right side
    17,912.72x = 276,815,264.14
  5. Step 5: Solve for x
    x = 276,815,264.14/17,912.72
  6. Step 6: Final answer
    x = 15,453.56

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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.