Home / 10,108.31-13,958.07-6,337.79

Finding the Fourth Proportional to 10,108.31, 13,958.07 and 6,337.79

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Solution

The fourth proportional to 10,108.31, 13,958.07 and 6,337.79 is: 8,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.31 : 13,958.07 = 6,337.79 : x
  2. Step 2: Convert to fraction form
    10,108.31/13,958.07 = 6,337.79/x
  3. Step 3: Cross multiply
    10,108.31x = 13,958.07 × 6,337.79
  4. Step 4: Simplify right side
    10,108.31x = 88,463,351.36
  5. Step 5: Solve for x
    x = 88,463,351.36/10,108.31
  6. Step 6: Final answer
    x = 8,751.54

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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.