Home / 13,919.49-20,879.24-4,058.55

Finding the Fourth Proportional to 13,919.49, 20,879.24 and 4,058.55

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Solution

The fourth proportional to 13,919.49, 20,879.24 and 4,058.55 is: 6,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.49 : 20,879.24 = 4,058.55 : x
  2. Step 2: Convert to fraction form
    13,919.49/20,879.24 = 4,058.55/x
  3. Step 3: Cross multiply
    13,919.49x = 20,879.24 × 4,058.55
  4. Step 4: Simplify right side
    13,919.49x = 84,739,419.21
  5. Step 5: Solve for x
    x = 84,739,419.21/13,919.49
  6. Step 6: Final answer
    x = 6,087.83

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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.