Home / 19,816.31-27,349.30-12,265.06

Finding the Fourth Proportional to 19,816.31, 27,349.30 and 12,265.06

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Solution

The fourth proportional to 19,816.31, 27,349.30 and 12,265.06 is: 16,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.31 : 27,349.30 = 12,265.06 : x
  2. Step 2: Convert to fraction form
    19,816.31/27,349.30 = 12,265.06/x
  3. Step 3: Cross multiply
    19,816.31x = 27,349.30 × 12,265.06
  4. Step 4: Simplify right side
    19,816.31x = 335,440,805.46
  5. Step 5: Solve for x
    x = 335,440,805.46/19,816.31
  6. Step 6: Final answer
    x = 16,927.51

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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.