Home / 13,754.32-20,622.48-5,435.44

Finding the Fourth Proportional to 13,754.32, 20,622.48 and 5,435.44

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Solution

The fourth proportional to 13,754.32, 20,622.48 and 5,435.44 is: 8,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.32 : 20,622.48 = 5,435.44 : x
  2. Step 2: Convert to fraction form
    13,754.32/20,622.48 = 5,435.44/x
  3. Step 3: Cross multiply
    13,754.32x = 20,622.48 × 5,435.44
  4. Step 4: Simplify right side
    13,754.32x = 112,092,252.69
  5. Step 5: Solve for x
    x = 112,092,252.69/13,754.32
  6. Step 6: Final answer
    x = 8,149.60

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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.