Home / 11,305.15-16,957.72-6,378.93

Finding the Fourth Proportional to 11,305.15, 16,957.72 and 6,378.93

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Solution

The fourth proportional to 11,305.15, 16,957.72 and 6,378.93 is: 9,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.15 : 16,957.72 = 6,378.93 : x
  2. Step 2: Convert to fraction form
    11,305.15/16,957.72 = 6,378.93/x
  3. Step 3: Cross multiply
    11,305.15x = 16,957.72 × 6,378.93
  4. Step 4: Simplify right side
    11,305.15x = 108,172,108.84
  5. Step 5: Solve for x
    x = 108,172,108.84/11,305.15
  6. Step 6: Final answer
    x = 9,568.39

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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.