Home / 11,216.94-15,478.86-6,180.90

Finding the Fourth Proportional to 11,216.94, 15,478.86 and 6,180.90

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Solution

The fourth proportional to 11,216.94, 15,478.86 and 6,180.90 is: 8,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.94 : 15,478.86 = 6,180.90 : x
  2. Step 2: Convert to fraction form
    11,216.94/15,478.86 = 6,180.90/x
  3. Step 3: Cross multiply
    11,216.94x = 15,478.86 × 6,180.90
  4. Step 4: Simplify right side
    11,216.94x = 95,673,285.77
  5. Step 5: Solve for x
    x = 95,673,285.77/11,216.94
  6. Step 6: Final answer
    x = 8,529.36

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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.