Home / 9,438.94-14,161.49-2,865.13

Finding the Fourth Proportional to 9,438.94, 14,161.49 and 2,865.13

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Solution

The fourth proportional to 9,438.94, 14,161.49 and 2,865.13 is: 4,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.94 : 14,161.49 = 2,865.13 : x
  2. Step 2: Convert to fraction form
    9,438.94/14,161.49 = 2,865.13/x
  3. Step 3: Cross multiply
    9,438.94x = 14,161.49 × 2,865.13
  4. Step 4: Simplify right side
    9,438.94x = 40,574,481.60
  5. Step 5: Solve for x
    x = 40,574,481.60/9,438.94
  6. Step 6: Final answer
    x = 4,298.63

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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.