Home / 10,108.58-13,956.39-9,481.23

Finding the Fourth Proportional to 10,108.58, 13,956.39 and 9,481.23

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Solution

The fourth proportional to 10,108.58, 13,956.39 and 9,481.23 is: 13,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.58 : 13,956.39 = 9,481.23 : x
  2. Step 2: Convert to fraction form
    10,108.58/13,956.39 = 9,481.23/x
  3. Step 3: Cross multiply
    10,108.58x = 13,956.39 × 9,481.23
  4. Step 4: Simplify right side
    10,108.58x = 132,323,743.56
  5. Step 5: Solve for x
    x = 132,323,743.56/10,108.58
  6. Step 6: Final answer
    x = 13,090.25

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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.