Home / 10,021.66-15,016.07-5,336.69

Finding the Fourth Proportional to 10,021.66, 15,016.07 and 5,336.69

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Solution

The fourth proportional to 10,021.66, 15,016.07 and 5,336.69 is: 7,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.66 : 15,016.07 = 5,336.69 : x
  2. Step 2: Convert to fraction form
    10,021.66/15,016.07 = 5,336.69/x
  3. Step 3: Cross multiply
    10,021.66x = 15,016.07 × 5,336.69
  4. Step 4: Simplify right side
    10,021.66x = 80,136,083.92
  5. Step 5: Solve for x
    x = 80,136,083.92/10,021.66
  6. Step 6: Final answer
    x = 7,996.29

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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.