Home / 10,878.93-16,320.45-3,481.41

Finding the Fourth Proportional to 10,878.93, 16,320.45 and 3,481.41

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Solution

The fourth proportional to 10,878.93, 16,320.45 and 3,481.41 is: 5,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.93 : 16,320.45 = 3,481.41 : x
  2. Step 2: Convert to fraction form
    10,878.93/16,320.45 = 3,481.41/x
  3. Step 3: Cross multiply
    10,878.93x = 16,320.45 × 3,481.41
  4. Step 4: Simplify right side
    10,878.93x = 56,818,177.83
  5. Step 5: Solve for x
    x = 56,818,177.83/10,878.93
  6. Step 6: Final answer
    x = 5,222.77

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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.