Home / 11,216.56-15,479.22-6,180.98

Finding the Fourth Proportional to 11,216.56, 15,479.22 and 6,180.98

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Solution

The fourth proportional to 11,216.56, 15,479.22 and 6,180.98 is: 8,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.56 : 15,479.22 = 6,180.98 : x
  2. Step 2: Convert to fraction form
    11,216.56/15,479.22 = 6,180.98/x
  3. Step 3: Cross multiply
    11,216.56x = 15,479.22 × 6,180.98
  4. Step 4: Simplify right side
    11,216.56x = 95,676,749.24
  5. Step 5: Solve for x
    x = 95,676,749.24/11,216.56
  6. Step 6: Final answer
    x = 8,529.95

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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.