Home / 13,173.94-19,764.10-4,408.63

Finding the Fourth Proportional to 13,173.94, 19,764.10 and 4,408.63

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Solution

The fourth proportional to 13,173.94, 19,764.10 and 4,408.63 is: 6,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.94 : 19,764.10 = 4,408.63 : x
  2. Step 2: Convert to fraction form
    13,173.94/19,764.10 = 4,408.63/x
  3. Step 3: Cross multiply
    13,173.94x = 19,764.10 × 4,408.63
  4. Step 4: Simplify right side
    13,173.94x = 87,132,560.28
  5. Step 5: Solve for x
    x = 87,132,560.28/13,173.94
  6. Step 6: Final answer
    x = 6,614.01

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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.