Home / 13,468.49-20,205.80-4,109.35

Finding the Fourth Proportional to 13,468.49, 20,205.80 and 4,109.35

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Solution

The fourth proportional to 13,468.49, 20,205.80 and 4,109.35 is: 6,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.49 : 20,205.80 = 4,109.35 : x
  2. Step 2: Convert to fraction form
    13,468.49/20,205.80 = 4,109.35/x
  3. Step 3: Cross multiply
    13,468.49x = 20,205.80 × 4,109.35
  4. Step 4: Simplify right side
    13,468.49x = 83,032,582.65
  5. Step 5: Solve for x
    x = 83,032,582.65/13,468.49
  6. Step 6: Final answer
    x = 6,164.95

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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.