Home / 12,564.86-18,849.11-3,800.52

Finding the Fourth Proportional to 12,564.86, 18,849.11 and 3,800.52

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Solution

The fourth proportional to 12,564.86, 18,849.11 and 3,800.52 is: 5,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.86 : 18,849.11 = 3,800.52 : x
  2. Step 2: Convert to fraction form
    12,564.86/18,849.11 = 3,800.52/x
  3. Step 3: Cross multiply
    12,564.86x = 18,849.11 × 3,800.52
  4. Step 4: Simplify right side
    12,564.86x = 71,636,400.53
  5. Step 5: Solve for x
    x = 71,636,400.53/12,564.86
  6. Step 6: Final answer
    x = 5,701.33

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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.