Home / 11,215.32-16,822.32-3,423.52

Finding the Fourth Proportional to 11,215.32, 16,822.32 and 3,423.52

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Solution

The fourth proportional to 11,215.32, 16,822.32 and 3,423.52 is: 5,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.32 : 16,822.32 = 3,423.52 : x
  2. Step 2: Convert to fraction form
    11,215.32/16,822.32 = 3,423.52/x
  3. Step 3: Cross multiply
    11,215.32x = 16,822.32 × 3,423.52
  4. Step 4: Simplify right side
    11,215.32x = 57,591,548.97
  5. Step 5: Solve for x
    x = 57,591,548.97/11,215.32
  6. Step 6: Final answer
    x = 5,135.08

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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.