Home / 12,910.44-19,353.36-5,504.72

Finding the Fourth Proportional to 12,910.44, 19,353.36 and 5,504.72

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Solution

The fourth proportional to 12,910.44, 19,353.36 and 5,504.72 is: 8,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,910.44 : 19,353.36 = 5,504.72 : x
  2. Step 2: Convert to fraction form
    12,910.44/19,353.36 = 5,504.72/x
  3. Step 3: Cross multiply
    12,910.44x = 19,353.36 × 5,504.72
  4. Step 4: Simplify right side
    12,910.44x = 106,534,827.86
  5. Step 5: Solve for x
    x = 106,534,827.86/12,910.44
  6. Step 6: Final answer
    x = 8,251.84

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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.