Home / 13,970.36-20,958.48-4,108.82

Finding the Fourth Proportional to 13,970.36, 20,958.48 and 4,108.82

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Solution

The fourth proportional to 13,970.36, 20,958.48 and 4,108.82 is: 6,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.36 : 20,958.48 = 4,108.82 : x
  2. Step 2: Convert to fraction form
    13,970.36/20,958.48 = 4,108.82/x
  3. Step 3: Cross multiply
    13,970.36x = 20,958.48 × 4,108.82
  4. Step 4: Simplify right side
    13,970.36x = 86,114,506.73
  5. Step 5: Solve for x
    x = 86,114,506.73/13,970.36
  6. Step 6: Final answer
    x = 6,164.09

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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.