Home / 12,472.83-18,710.25-3,707.75

Finding the Fourth Proportional to 12,472.83, 18,710.25 and 3,707.75

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Solution

The fourth proportional to 12,472.83, 18,710.25 and 3,707.75 is: 5,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.83 : 18,710.25 = 3,707.75 : x
  2. Step 2: Convert to fraction form
    12,472.83/18,710.25 = 3,707.75/x
  3. Step 3: Cross multiply
    12,472.83x = 18,710.25 × 3,707.75
  4. Step 4: Simplify right side
    12,472.83x = 69,372,929.44
  5. Step 5: Solve for x
    x = 69,372,929.44/12,472.83
  6. Step 6: Final answer
    x = 5,561.92

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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.