Home / 13,930.34-20,880.84-4,567.92

Finding the Fourth Proportional to 13,930.34, 20,880.84 and 4,567.92

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Solution

The fourth proportional to 13,930.34, 20,880.84 and 4,567.92 is: 6,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,930.34 : 20,880.84 = 4,567.92 : x
  2. Step 2: Convert to fraction form
    13,930.34/20,880.84 = 4,567.92/x
  3. Step 3: Cross multiply
    13,930.34x = 20,880.84 × 4,567.92
  4. Step 4: Simplify right side
    13,930.34x = 95,382,006.65
  5. Step 5: Solve for x
    x = 95,382,006.65/13,930.34
  6. Step 6: Final answer
    x = 6,847.07

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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.