Home / 13,009.88-19,514.81-3,149.15

Finding the Fourth Proportional to 13,009.88, 19,514.81 and 3,149.15

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Solution

The fourth proportional to 13,009.88, 19,514.81 and 3,149.15 is: 4,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.88 : 19,514.81 = 3,149.15 : x
  2. Step 2: Convert to fraction form
    13,009.88/19,514.81 = 3,149.15/x
  3. Step 3: Cross multiply
    13,009.88x = 19,514.81 × 3,149.15
  4. Step 4: Simplify right side
    13,009.88x = 61,455,096.95
  5. Step 5: Solve for x
    x = 61,455,096.95/13,009.88
  6. Step 6: Final answer
    x = 4,723.73

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Similar ratio
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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.