Home / 12,109.74-18,164.84-3,344.88

Finding the Fourth Proportional to 12,109.74, 18,164.84 and 3,344.88

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Solution

The fourth proportional to 12,109.74, 18,164.84 and 3,344.88 is: 5,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109.74 : 18,164.84 = 3,344.88 : x
  2. Step 2: Convert to fraction form
    12,109.74/18,164.84 = 3,344.88/x
  3. Step 3: Cross multiply
    12,109.74x = 18,164.84 × 3,344.88
  4. Step 4: Simplify right side
    12,109.74x = 60,759,193.29
  5. Step 5: Solve for x
    x = 60,759,193.29/12,109.74
  6. Step 6: Final answer
    x = 5,017.38

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1.5x scale

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.