Home / 21,056.58-31,562.19-11,185.92

Finding the Fourth Proportional to 21,056.58, 31,562.19 and 11,185.92

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Solution

The fourth proportional to 21,056.58, 31,562.19 and 11,185.92 is: 16,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.58 : 31,562.19 = 11,185.92 : x
  2. Step 2: Convert to fraction form
    21,056.58/31,562.19 = 11,185.92/x
  3. Step 3: Cross multiply
    21,056.58x = 31,562.19 × 11,185.92
  4. Step 4: Simplify right side
    21,056.58x = 353,052,132.36
  5. Step 5: Solve for x
    x = 353,052,132.36/21,056.58
  6. Step 6: Final answer
    x = 16,766.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.