Home / 11,077.71-16,619.81-4,152.75

Finding the Fourth Proportional to 11,077.71, 16,619.81 and 4,152.75

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Solution

The fourth proportional to 11,077.71, 16,619.81 and 4,152.75 is: 6,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.71 : 16,619.81 = 4,152.75 : x
  2. Step 2: Convert to fraction form
    11,077.71/16,619.81 = 4,152.75/x
  3. Step 3: Cross multiply
    11,077.71x = 16,619.81 × 4,152.75
  4. Step 4: Simplify right side
    11,077.71x = 69,017,895.21
  5. Step 5: Solve for x
    x = 69,017,895.21/11,077.71
  6. Step 6: Final answer
    x = 6,230.34

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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.