Home / 12,098.72-18,148.08-3,333.64

Finding the Fourth Proportional to 12,098.72, 18,148.08 and 3,333.64

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Solution

The fourth proportional to 12,098.72, 18,148.08 and 3,333.64 is: 5,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.72 : 18,148.08 = 3,333.64 : x
  2. Step 2: Convert to fraction form
    12,098.72/18,148.08 = 3,333.64/x
  3. Step 3: Cross multiply
    12,098.72x = 18,148.08 × 3,333.64
  4. Step 4: Simplify right side
    12,098.72x = 60,499,120.04
  5. Step 5: Solve for x
    x = 60,499,120.04/12,098.72
  6. Step 6: Final answer
    x = 5,000.46

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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.