Home / 11,923.62-16,455.34-6,888.05

Finding the Fourth Proportional to 11,923.62, 16,455.34 and 6,888.05

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Solution

The fourth proportional to 11,923.62, 16,455.34 and 6,888.05 is: 9,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.62 : 16,455.34 = 6,888.05 : x
  2. Step 2: Convert to fraction form
    11,923.62/16,455.34 = 6,888.05/x
  3. Step 3: Cross multiply
    11,923.62x = 16,455.34 × 6,888.05
  4. Step 4: Simplify right side
    11,923.62x = 113,345,170.25
  5. Step 5: Solve for x
    x = 113,345,170.25/11,923.62
  6. Step 6: Final answer
    x = 9,505.94

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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.