Home / 11,877.57-17,813.32-4,479.84

Finding the Fourth Proportional to 11,877.57, 17,813.32 and 4,479.84

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Solution

The fourth proportional to 11,877.57, 17,813.32 and 4,479.84 is: 6,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.57 : 17,813.32 = 4,479.84 : x
  2. Step 2: Convert to fraction form
    11,877.57/17,813.32 = 4,479.84/x
  3. Step 3: Cross multiply
    11,877.57x = 17,813.32 × 4,479.84
  4. Step 4: Simplify right side
    11,877.57x = 79,800,812.27
  5. Step 5: Solve for x
    x = 79,800,812.27/11,877.57
  6. Step 6: Final answer
    x = 6,718.61

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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.