Home / 11,189.52-16,787.52-4,612.32

Finding the Fourth Proportional to 11,189.52, 16,787.52 and 4,612.32

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Solution

The fourth proportional to 11,189.52, 16,787.52 and 4,612.32 is: 6,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.52 : 16,787.52 = 4,612.32 : x
  2. Step 2: Convert to fraction form
    11,189.52/16,787.52 = 4,612.32/x
  3. Step 3: Cross multiply
    11,189.52x = 16,787.52 × 4,612.32
  4. Step 4: Simplify right side
    11,189.52x = 77,429,414.25
  5. Step 5: Solve for x
    x = 77,429,414.25/11,189.52
  6. Step 6: Final answer
    x = 6,919.82

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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.