Home / 12,850.10-19,278.58-5,454.98

Finding the Fourth Proportional to 12,850.10, 19,278.58 and 5,454.98

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Solution

The fourth proportional to 12,850.10, 19,278.58 and 5,454.98 is: 8,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.10 : 19,278.58 = 5,454.98 : x
  2. Step 2: Convert to fraction form
    12,850.10/19,278.58 = 5,454.98/x
  3. Step 3: Cross multiply
    12,850.10x = 19,278.58 × 5,454.98
  4. Step 4: Simplify right side
    12,850.10x = 105,164,268.33
  5. Step 5: Solve for x
    x = 105,164,268.33/12,850.10
  6. Step 6: Final answer
    x = 8,183.93

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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.