Home / 12,850.60-19,279.33-5,455.48

Finding the Fourth Proportional to 12,850.60, 19,279.33 and 5,455.48

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Solution

The fourth proportional to 12,850.60, 19,279.33 and 5,455.48 is: 8,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.60 : 19,279.33 = 5,455.48 : x
  2. Step 2: Convert to fraction form
    12,850.60/19,279.33 = 5,455.48/x
  3. Step 3: Cross multiply
    12,850.60x = 19,279.33 × 5,455.48
  4. Step 4: Simplify right side
    12,850.60x = 105,177,999.23
  5. Step 5: Solve for x
    x = 105,177,999.23/12,850.60
  6. Step 6: Final answer
    x = 8,184.68

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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.