Home / 16,919.24-25,378.78-11,285

Finding the Fourth Proportional to 16,919.24, 25,378.78 and 11,285

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Solution

The fourth proportional to 16,919.24, 25,378.78 and 11,285 is: 16,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.24 : 25,378.78 = 11,285 : x
  2. Step 2: Convert to fraction form
    16,919.24/25,378.78 = 11,285/x
  3. Step 3: Cross multiply
    16,919.24x = 25,378.78 × 11,285
  4. Step 4: Simplify right side
    16,919.24x = 286,399,532.30
  5. Step 5: Solve for x
    x = 286,399,532.30/16,919.24
  6. Step 6: Final answer
    x = 16,927.45

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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.