Home / 10,021.10-15,020.03-3,777.11

Finding the Fourth Proportional to 10,021.10, 15,020.03 and 3,777.11

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Solution

The fourth proportional to 10,021.10, 15,020.03 and 3,777.11 is: 5,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.10 : 15,020.03 = 3,777.11 : x
  2. Step 2: Convert to fraction form
    10,021.10/15,020.03 = 3,777.11/x
  3. Step 3: Cross multiply
    10,021.10x = 15,020.03 × 3,777.11
  4. Step 4: Simplify right side
    10,021.10x = 56,732,380.67
  5. Step 5: Solve for x
    x = 56,732,380.67/10,021.10
  6. Step 6: Final answer
    x = 5,661.29

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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.