Home / 14,177.76-21,266.66-3,789.51

Finding the Fourth Proportional to 14,177.76, 21,266.66 and 3,789.51

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Solution

The fourth proportional to 14,177.76, 21,266.66 and 3,789.51 is: 5,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.76 : 21,266.66 = 3,789.51 : x
  2. Step 2: Convert to fraction form
    14,177.76/21,266.66 = 3,789.51/x
  3. Step 3: Cross multiply
    14,177.76x = 21,266.66 × 3,789.51
  4. Step 4: Simplify right side
    14,177.76x = 80,590,201.79
  5. Step 5: Solve for x
    x = 80,590,201.79/14,177.76
  6. Step 6: Final answer
    x = 5,684.27

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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.