Home / 14,149.42-21,209.52-4,786.36

Finding the Fourth Proportional to 14,149.42, 21,209.52 and 4,786.36

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Solution

The fourth proportional to 14,149.42, 21,209.52 and 4,786.36 is: 7,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.42 : 21,209.52 = 4,786.36 : x
  2. Step 2: Convert to fraction form
    14,149.42/21,209.52 = 4,786.36/x
  3. Step 3: Cross multiply
    14,149.42x = 21,209.52 × 4,786.36
  4. Step 4: Simplify right side
    14,149.42x = 101,516,398.15
  5. Step 5: Solve for x
    x = 101,516,398.15/14,149.42
  6. Step 6: Final answer
    x = 7,174.60

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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.