Home / 13,947.69-20,919.22-4,587.82

Finding the Fourth Proportional to 13,947.69, 20,919.22 and 4,587.82

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Solution

The fourth proportional to 13,947.69, 20,919.22 and 4,587.82 is: 6,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.69 : 20,919.22 = 4,587.82 : x
  2. Step 2: Convert to fraction form
    13,947.69/20,919.22 = 4,587.82/x
  3. Step 3: Cross multiply
    13,947.69x = 20,919.22 × 4,587.82
  4. Step 4: Simplify right side
    13,947.69x = 95,973,657.94
  5. Step 5: Solve for x
    x = 95,973,657.94/13,947.69
  6. Step 6: Final answer
    x = 6,880.97

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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.