Home / 13,764.80-20,626.94-6,156.86

Finding the Fourth Proportional to 13,764.80, 20,626.94 and 6,156.86

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Solution

The fourth proportional to 13,764.80, 20,626.94 and 6,156.86 is: 9,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.80 : 20,626.94 = 6,156.86 : x
  2. Step 2: Convert to fraction form
    13,764.80/20,626.94 = 6,156.86/x
  3. Step 3: Cross multiply
    13,764.80x = 20,626.94 × 6,156.86
  4. Step 4: Simplify right side
    13,764.80x = 126,997,047.89
  5. Step 5: Solve for x
    x = 126,997,047.89/13,764.80
  6. Step 6: Final answer
    x = 9,226.22

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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.