Home / 11,621.15-16,037.35-6,315.96

Finding the Fourth Proportional to 11,621.15, 16,037.35 and 6,315.96

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Solution

The fourth proportional to 11,621.15, 16,037.35 and 6,315.96 is: 8,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.15 : 16,037.35 = 6,315.96 : x
  2. Step 2: Convert to fraction form
    11,621.15/16,037.35 = 6,315.96/x
  3. Step 3: Cross multiply
    11,621.15x = 16,037.35 × 6,315.96
  4. Step 4: Simplify right side
    11,621.15x = 101,291,305.46
  5. Step 5: Solve for x
    x = 101,291,305.46/11,621.15
  6. Step 6: Final answer
    x = 8,716.12

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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.