Home / 14,712.22-20,307.31-9,999.23

Finding the Fourth Proportional to 14,712.22, 20,307.31 and 9,999.23

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Solution

The fourth proportional to 14,712.22, 20,307.31 and 9,999.23 is: 13,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.22 : 20,307.31 = 9,999.23 : x
  2. Step 2: Convert to fraction form
    14,712.22/20,307.31 = 9,999.23/x
  3. Step 3: Cross multiply
    14,712.22x = 20,307.31 × 9,999.23
  4. Step 4: Simplify right side
    14,712.22x = 203,057,489.14
  5. Step 5: Solve for x
    x = 203,057,489.14/14,712.22
  6. Step 6: Final answer
    x = 13,801.96

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