Home / 25,192.10-37,786.78-7,660.56

Finding the Fourth Proportional to 25,192.10, 37,786.78 and 7,660.56

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Solution

The fourth proportional to 25,192.10, 37,786.78 and 7,660.56 is: 11,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,192.10 : 37,786.78 = 7,660.56 : x
  2. Step 2: Convert to fraction form
    25,192.10/37,786.78 = 7,660.56/x
  3. Step 3: Cross multiply
    25,192.10x = 37,786.78 × 7,660.56
  4. Step 4: Simplify right side
    25,192.10x = 289,467,895.40
  5. Step 5: Solve for x
    x = 289,467,895.40/25,192.10
  6. Step 6: Final answer
    x = 11,490.42

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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.