Home / 11,079.87-16,617.83-4,415.81

Finding the Fourth Proportional to 11,079.87, 16,617.83 and 4,415.81

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Solution

The fourth proportional to 11,079.87, 16,617.83 and 4,415.81 is: 6,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.87 : 16,617.83 = 4,415.81 : x
  2. Step 2: Convert to fraction form
    11,079.87/16,617.83 = 4,415.81/x
  3. Step 3: Cross multiply
    11,079.87x = 16,617.83 × 4,415.81
  4. Step 4: Simplify right side
    11,079.87x = 73,381,179.89
  5. Step 5: Solve for x
    x = 73,381,179.89/11,079.87
  6. Step 6: Final answer
    x = 6,622.93

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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.