Home / 12,073.24-18,109.86-3,308.22

Finding the Fourth Proportional to 12,073.24, 18,109.86 and 3,308.22

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Solution

The fourth proportional to 12,073.24, 18,109.86 and 3,308.22 is: 4,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.24 : 18,109.86 = 3,308.22 : x
  2. Step 2: Convert to fraction form
    12,073.24/18,109.86 = 3,308.22/x
  3. Step 3: Cross multiply
    12,073.24x = 18,109.86 × 3,308.22
  4. Step 4: Simplify right side
    12,073.24x = 59,911,401.05
  5. Step 5: Solve for x
    x = 59,911,401.05/12,073.24
  6. Step 6: Final answer
    x = 4,962.33

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Similar ratio
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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.