Home / 14,829.15-20,464.21-8,114.78

Finding the Fourth Proportional to 14,829.15, 20,464.21 and 8,114.78

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Solution

The fourth proportional to 14,829.15, 20,464.21 and 8,114.78 is: 11,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.15 : 20,464.21 = 8,114.78 : x
  2. Step 2: Convert to fraction form
    14,829.15/20,464.21 = 8,114.78/x
  3. Step 3: Cross multiply
    14,829.15x = 20,464.21 × 8,114.78
  4. Step 4: Simplify right side
    14,829.15x = 166,062,562.02
  5. Step 5: Solve for x
    x = 166,062,562.02/14,829.15
  6. Step 6: Final answer
    x = 11,198.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.