Home / 16,852.20-25,278.30-11,238.90

Finding the Fourth Proportional to 16,852.20, 25,278.30 and 11,238.90

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Solution

The fourth proportional to 16,852.20, 25,278.30 and 11,238.90 is: 16,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.20 : 25,278.30 = 11,238.90 : x
  2. Step 2: Convert to fraction form
    16,852.20/25,278.30 = 11,238.90/x
  3. Step 3: Cross multiply
    16,852.20x = 25,278.30 × 11,238.90
  4. Step 4: Simplify right side
    16,852.20x = 284,100,285.87
  5. Step 5: Solve for x
    x = 284,100,285.87/16,852.20
  6. Step 6: Final answer
    x = 16,858.35

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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.