Home / 14,247.63-21,371.45-3,859.38

Finding the Fourth Proportional to 14,247.63, 21,371.45 and 3,859.38

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Solution

The fourth proportional to 14,247.63, 21,371.45 and 3,859.38 is: 5,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.63 : 21,371.45 = 3,859.38 : x
  2. Step 2: Convert to fraction form
    14,247.63/21,371.45 = 3,859.38/x
  3. Step 3: Cross multiply
    14,247.63x = 21,371.45 × 3,859.38
  4. Step 4: Simplify right side
    14,247.63x = 82,480,527.40
  5. Step 5: Solve for x
    x = 82,480,527.40/14,247.63
  6. Step 6: Final answer
    x = 5,789.07

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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.