Home / 16,911.05-25,372.39-7,557.52

Finding the Fourth Proportional to 16,911.05, 25,372.39 and 7,557.52

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Solution

The fourth proportional to 16,911.05, 25,372.39 and 7,557.52 is: 11,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.05 : 25,372.39 = 7,557.52 : x
  2. Step 2: Convert to fraction form
    16,911.05/25,372.39 = 7,557.52/x
  3. Step 3: Cross multiply
    16,911.05x = 25,372.39 × 7,557.52
  4. Step 4: Simplify right side
    16,911.05x = 191,752,344.87
  5. Step 5: Solve for x
    x = 191,752,344.87/16,911.05
  6. Step 6: Final answer
    x = 11,338.88

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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.