Home / 11,299.32-16,949.08-4,639.48

Finding the Fourth Proportional to 11,299.32, 16,949.08 and 4,639.48

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Solution

The fourth proportional to 11,299.32, 16,949.08 and 4,639.48 is: 6,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.32 : 16,949.08 = 4,639.48 : x
  2. Step 2: Convert to fraction form
    11,299.32/16,949.08 = 4,639.48/x
  3. Step 3: Cross multiply
    11,299.32x = 16,949.08 × 4,639.48
  4. Step 4: Simplify right side
    11,299.32x = 78,634,917.68
  5. Step 5: Solve for x
    x = 78,634,917.68/11,299.32
  6. Step 6: Final answer
    x = 6,959.26

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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.