Home / 14,644.80-21,969.60-4,781.88

Finding the Fourth Proportional to 14,644.80, 21,969.60 and 4,781.88

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Solution

The fourth proportional to 14,644.80, 21,969.60 and 4,781.88 is: 7,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.80 : 21,969.60 = 4,781.88 : x
  2. Step 2: Convert to fraction form
    14,644.80/21,969.60 = 4,781.88/x
  3. Step 3: Cross multiply
    14,644.80x = 21,969.60 × 4,781.88
  4. Step 4: Simplify right side
    14,644.80x = 105,055,990.85
  5. Step 5: Solve for x
    x = 105,055,990.85/14,644.80
  6. Step 6: Final answer
    x = 7,173.60

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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.