Home / 10,991.34-16,486.86-2,671.33

Finding the Fourth Proportional to 10,991.34, 16,486.86 and 2,671.33

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Solution

The fourth proportional to 10,991.34, 16,486.86 and 2,671.33 is: 4,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.34 : 16,486.86 = 2,671.33 : x
  2. Step 2: Convert to fraction form
    10,991.34/16,486.86 = 2,671.33/x
  3. Step 3: Cross multiply
    10,991.34x = 16,486.86 × 2,671.33
  4. Step 4: Simplify right side
    10,991.34x = 44,041,828.41
  5. Step 5: Solve for x
    x = 44,041,828.41/10,991.34
  6. Step 6: Final answer
    x = 4,006.96

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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.