Home / 13,900.55-20,850.95-5,467.91

Finding the Fourth Proportional to 13,900.55, 20,850.95 and 5,467.91

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Solution

The fourth proportional to 13,900.55, 20,850.95 and 5,467.91 is: 8,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.55 : 20,850.95 = 5,467.91 : x
  2. Step 2: Convert to fraction form
    13,900.55/20,850.95 = 5,467.91/x
  3. Step 3: Cross multiply
    13,900.55x = 20,850.95 × 5,467.91
  4. Step 4: Simplify right side
    13,900.55x = 114,011,027.43
  5. Step 5: Solve for x
    x = 114,011,027.43/13,900.55
  6. Step 6: Final answer
    x = 8,201.91

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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.