Home / 17,099.36-25,658.40-11,895.20

Finding the Fourth Proportional to 17,099.36, 25,658.40 and 11,895.20

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Solution

The fourth proportional to 17,099.36, 25,658.40 and 11,895.20 is: 17,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,099.36 : 25,658.40 = 11,895.20 : x
  2. Step 2: Convert to fraction form
    17,099.36/25,658.40 = 11,895.20/x
  3. Step 3: Cross multiply
    17,099.36x = 25,658.40 × 11,895.20
  4. Step 4: Simplify right side
    17,099.36x = 305,211,799.68
  5. Step 5: Solve for x
    x = 305,211,799.68/17,099.36
  6. Step 6: Final answer
    x = 17,849.31

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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.