Home / 18,905.41-26,089.53-10,521.91

Finding the Fourth Proportional to 18,905.41, 26,089.53 and 10,521.91

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Solution

The fourth proportional to 18,905.41, 26,089.53 and 10,521.91 is: 14,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.41 : 26,089.53 = 10,521.91 : x
  2. Step 2: Convert to fraction form
    18,905.41/26,089.53 = 10,521.91/x
  3. Step 3: Cross multiply
    18,905.41x = 26,089.53 × 10,521.91
  4. Step 4: Simplify right side
    18,905.41x = 274,511,556.15
  5. Step 5: Solve for x
    x = 274,511,556.15/18,905.41
  6. Step 6: Final answer
    x = 14,520.27

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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.