Home / 21,964.85-30,311.54-11,893.41

Finding the Fourth Proportional to 21,964.85, 30,311.54 and 11,893.41

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Solution

The fourth proportional to 21,964.85, 30,311.54 and 11,893.41 is: 16,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,964.85 : 30,311.54 = 11,893.41 : x
  2. Step 2: Convert to fraction form
    21,964.85/30,311.54 = 11,893.41/x
  3. Step 3: Cross multiply
    21,964.85x = 30,311.54 × 11,893.41
  4. Step 4: Simplify right side
    21,964.85x = 360,507,572.95
  5. Step 5: Solve for x
    x = 360,507,572.95/21,964.85
  6. Step 6: Final answer
    x = 16,412.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.