Home / 13,077.21-19,616.22-4,311.39

Finding the Fourth Proportional to 13,077.21, 19,616.22 and 4,311.39

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Solution

The fourth proportional to 13,077.21, 19,616.22 and 4,311.39 is: 6,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.21 : 19,616.22 = 4,311.39 : x
  2. Step 2: Convert to fraction form
    13,077.21/19,616.22 = 4,311.39/x
  3. Step 3: Cross multiply
    13,077.21x = 19,616.22 × 4,311.39
  4. Step 4: Simplify right side
    13,077.21x = 84,573,174.75
  5. Step 5: Solve for x
    x = 84,573,174.75/13,077.21
  6. Step 6: Final answer
    x = 6,467.22

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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.