Home / 13,834.64-20,764.92-6,444.20

Finding the Fourth Proportional to 13,834.64, 20,764.92 and 6,444.20

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Solution

The fourth proportional to 13,834.64, 20,764.92 and 6,444.20 is: 9,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.64 : 20,764.92 = 6,444.20 : x
  2. Step 2: Convert to fraction form
    13,834.64/20,764.92 = 6,444.20/x
  3. Step 3: Cross multiply
    13,834.64x = 20,764.92 × 6,444.20
  4. Step 4: Simplify right side
    13,834.64x = 133,813,297.46
  5. Step 5: Solve for x
    x = 133,813,297.46/13,834.64
  6. Step 6: Final answer
    x = 9,672.34

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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.