Home / 10,742.80-16,112.94-4,164.52

Finding the Fourth Proportional to 10,742.80, 16,112.94 and 4,164.52

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Solution

The fourth proportional to 10,742.80, 16,112.94 and 4,164.52 is: 6,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.80 : 16,112.94 = 4,164.52 : x
  2. Step 2: Convert to fraction form
    10,742.80/16,112.94 = 4,164.52/x
  3. Step 3: Cross multiply
    10,742.80x = 16,112.94 × 4,164.52
  4. Step 4: Simplify right side
    10,742.80x = 67,102,660.89
  5. Step 5: Solve for x
    x = 67,102,660.89/10,742.80
  6. Step 6: Final answer
    x = 6,246.29

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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.