Home / 19,218.41-26,521.44-10,721.09

Finding the Fourth Proportional to 19,218.41, 26,521.44 and 10,721.09

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Solution

The fourth proportional to 19,218.41, 26,521.44 and 10,721.09 is: 14,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.41 : 26,521.44 = 10,721.09 : x
  2. Step 2: Convert to fraction form
    19,218.41/26,521.44 = 10,721.09/x
  3. Step 3: Cross multiply
    19,218.41x = 26,521.44 × 10,721.09
  4. Step 4: Simplify right side
    19,218.41x = 284,338,612.56
  5. Step 5: Solve for x
    x = 284,338,612.56/19,218.41
  6. Step 6: Final answer
    x = 14,795.11

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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.