Home / 11,247.92-15,521.88-6,143.27

Finding the Fourth Proportional to 11,247.92, 15,521.88 and 6,143.27

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Solution

The fourth proportional to 11,247.92, 15,521.88 and 6,143.27 is: 8,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.92 : 15,521.88 = 6,143.27 : x
  2. Step 2: Convert to fraction form
    11,247.92/15,521.88 = 6,143.27/x
  3. Step 3: Cross multiply
    11,247.92x = 15,521.88 × 6,143.27
  4. Step 4: Simplify right side
    11,247.92x = 95,355,010.62
  5. Step 5: Solve for x
    x = 95,355,010.62/11,247.92
  6. Step 6: Final answer
    x = 8,477.57

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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.