Home / 10,021.16-15,029.46-3,781.83

Finding the Fourth Proportional to 10,021.16, 15,029.46 and 3,781.83

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Solution

The fourth proportional to 10,021.16, 15,029.46 and 3,781.83 is: 5,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.16 : 15,029.46 = 3,781.83 : x
  2. Step 2: Convert to fraction form
    10,021.16/15,029.46 = 3,781.83/x
  3. Step 3: Cross multiply
    10,021.16x = 15,029.46 × 3,781.83
  4. Step 4: Simplify right side
    10,021.16x = 56,838,843.80
  5. Step 5: Solve for x
    x = 56,838,843.80/10,021.16
  6. Step 6: Final answer
    x = 5,671.89

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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.