Home / 13,918.24-20,879.46-4,058.20

Finding the Fourth Proportional to 13,918.24, 20,879.46 and 4,058.20

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Solution

The fourth proportional to 13,918.24, 20,879.46 and 4,058.20 is: 6,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.24 : 20,879.46 = 4,058.20 : x
  2. Step 2: Convert to fraction form
    13,918.24/20,879.46 = 4,058.20/x
  3. Step 3: Cross multiply
    13,918.24x = 20,879.46 × 4,058.20
  4. Step 4: Simplify right side
    13,918.24x = 84,733,024.57
  5. Step 5: Solve for x
    x = 84,733,024.57/13,918.24
  6. Step 6: Final answer
    x = 6,087.91

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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.