Home / 11,217.27-15,479.63-6,112.83

Finding the Fourth Proportional to 11,217.27, 15,479.63 and 6,112.83

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Solution

The fourth proportional to 11,217.27, 15,479.63 and 6,112.83 is: 8,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.27 : 15,479.63 = 6,112.83 : x
  2. Step 2: Convert to fraction form
    11,217.27/15,479.63 = 6,112.83/x
  3. Step 3: Cross multiply
    11,217.27x = 15,479.63 × 6,112.83
  4. Step 4: Simplify right side
    11,217.27x = 94,624,382.18
  5. Step 5: Solve for x
    x = 94,624,382.18/11,217.27
  6. Step 6: Final answer
    x = 8,435.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.