Home / 9,943.16-14,911.09-2,921.37

Finding the Fourth Proportional to 9,943.16, 14,911.09 and 2,921.37

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Solution

The fourth proportional to 9,943.16, 14,911.09 and 2,921.37 is: 4,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.16 : 14,911.09 = 2,921.37 : x
  2. Step 2: Convert to fraction form
    9,943.16/14,911.09 = 2,921.37/x
  3. Step 3: Cross multiply
    9,943.16x = 14,911.09 × 2,921.37
  4. Step 4: Simplify right side
    9,943.16x = 43,560,747.77
  5. Step 5: Solve for x
    x = 43,560,747.77/9,943.16
  6. Step 6: Final answer
    x = 4,380.98

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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.