Home / 9,621.45-14,431.14-3,381.66

Finding the Fourth Proportional to 9,621.45, 14,431.14 and 3,381.66

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Solution

The fourth proportional to 9,621.45, 14,431.14 and 3,381.66 is: 5,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.45 : 14,431.14 = 3,381.66 : x
  2. Step 2: Convert to fraction form
    9,621.45/14,431.14 = 3,381.66/x
  3. Step 3: Cross multiply
    9,621.45x = 14,431.14 × 3,381.66
  4. Step 4: Simplify right side
    9,621.45x = 48,801,208.89
  5. Step 5: Solve for x
    x = 48,801,208.89/9,621.45
  6. Step 6: Final answer
    x = 5,072.13

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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.