Home / 13,625.57-20,438.34-3,764.83

Finding the Fourth Proportional to 13,625.57, 20,438.34 and 3,764.83

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Solution

The fourth proportional to 13,625.57, 20,438.34 and 3,764.83 is: 5,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.57 : 20,438.34 = 3,764.83 : x
  2. Step 2: Convert to fraction form
    13,625.57/20,438.34 = 3,764.83/x
  3. Step 3: Cross multiply
    13,625.57x = 20,438.34 × 3,764.83
  4. Step 4: Simplify right side
    13,625.57x = 76,946,875.58
  5. Step 5: Solve for x
    x = 76,946,875.58/13,625.57
  6. Step 6: Final answer
    x = 5,647.24

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1.5x scale

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.