Home / 13,996.48-19,313.28-8,621.93

Finding the Fourth Proportional to 13,996.48, 19,313.28 and 8,621.93

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Solution

The fourth proportional to 13,996.48, 19,313.28 and 8,621.93 is: 11,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.48 : 19,313.28 = 8,621.93 : x
  2. Step 2: Convert to fraction form
    13,996.48/19,313.28 = 8,621.93/x
  3. Step 3: Cross multiply
    13,996.48x = 19,313.28 × 8,621.93
  4. Step 4: Simplify right side
    13,996.48x = 166,517,651.66
  5. Step 5: Solve for x
    x = 166,517,651.66/13,996.48
  6. Step 6: Final answer
    x = 11,897.11

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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.