Home / 20,695.75-31,050.93-8,844.49

Finding the Fourth Proportional to 20,695.75, 31,050.93 and 8,844.49

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Solution

The fourth proportional to 20,695.75, 31,050.93 and 8,844.49 is: 13,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695.75 : 31,050.93 = 8,844.49 : x
  2. Step 2: Convert to fraction form
    20,695.75/31,050.93 = 8,844.49/x
  3. Step 3: Cross multiply
    20,695.75x = 31,050.93 × 8,844.49
  4. Step 4: Simplify right side
    20,695.75x = 274,629,639.88
  5. Step 5: Solve for x
    x = 274,629,639.88/20,695.75
  6. Step 6: Final answer
    x = 13,269.86

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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.