Home / 9,914.28-14,868.73-4,293.88

Finding the Fourth Proportional to 9,914.28, 14,868.73 and 4,293.88

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Solution

The fourth proportional to 9,914.28, 14,868.73 and 4,293.88 is: 6,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.28 : 14,868.73 = 4,293.88 : x
  2. Step 2: Convert to fraction form
    9,914.28/14,868.73 = 4,293.88/x
  3. Step 3: Cross multiply
    9,914.28x = 14,868.73 × 4,293.88
  4. Step 4: Simplify right side
    9,914.28x = 63,844,542.37
  5. Step 5: Solve for x
    x = 63,844,542.37/9,914.28
  6. Step 6: Final answer
    x = 6,439.65

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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.