Home / 9,921.19-14,881.80-3,351.99

Finding the Fourth Proportional to 9,921.19, 14,881.80 and 3,351.99

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Solution

The fourth proportional to 9,921.19, 14,881.80 and 3,351.99 is: 5,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.19 : 14,881.80 = 3,351.99 : x
  2. Step 2: Convert to fraction form
    9,921.19/14,881.80 = 3,351.99/x
  3. Step 3: Cross multiply
    9,921.19x = 14,881.80 × 3,351.99
  4. Step 4: Simplify right side
    9,921.19x = 49,883,661.88
  5. Step 5: Solve for x
    x = 49,883,661.88/9,921.19
  6. Step 6: Final answer
    x = 5,027.99

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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.