Home / 11,678.32-16,115.84-6,373.13

Finding the Fourth Proportional to 11,678.32, 16,115.84 and 6,373.13

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Solution

The fourth proportional to 11,678.32, 16,115.84 and 6,373.13 is: 8,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.32 : 16,115.84 = 6,373.13 : x
  2. Step 2: Convert to fraction form
    11,678.32/16,115.84 = 6,373.13/x
  3. Step 3: Cross multiply
    11,678.32x = 16,115.84 × 6,373.13
  4. Step 4: Simplify right side
    11,678.32x = 102,708,311.51
  5. Step 5: Solve for x
    x = 102,708,311.51/11,678.32
  6. Step 6: Final answer
    x = 8,794.79

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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.