Home / 13,314.86-19,968.85-3,952.66

Finding the Fourth Proportional to 13,314.86, 19,968.85 and 3,952.66

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Solution

The fourth proportional to 13,314.86, 19,968.85 and 3,952.66 is: 5,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.86 : 19,968.85 = 3,952.66 : x
  2. Step 2: Convert to fraction form
    13,314.86/19,968.85 = 3,952.66/x
  3. Step 3: Cross multiply
    13,314.86x = 19,968.85 × 3,952.66
  4. Step 4: Simplify right side
    13,314.86x = 78,930,074.64
  5. Step 5: Solve for x
    x = 78,930,074.64/13,314.86
  6. Step 6: Final answer
    x = 5,927.97

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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.