Home / 10,401.66-15,603.84-3,379.37

Finding the Fourth Proportional to 10,401.66, 15,603.84 and 3,379.37

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Solution

The fourth proportional to 10,401.66, 15,603.84 and 3,379.37 is: 5,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.66 : 15,603.84 = 3,379.37 : x
  2. Step 2: Convert to fraction form
    10,401.66/15,603.84 = 3,379.37/x
  3. Step 3: Cross multiply
    10,401.66x = 15,603.84 × 3,379.37
  4. Step 4: Simplify right side
    10,401.66x = 52,731,070.76
  5. Step 5: Solve for x
    x = 52,731,070.76/10,401.66
  6. Step 6: Final answer
    x = 5,069.49

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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.