Home / 12,308.52-18,462.78-3,074.60

Finding the Fourth Proportional to 12,308.52, 18,462.78 and 3,074.60

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Solution

The fourth proportional to 12,308.52, 18,462.78 and 3,074.60 is: 4,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.52 : 18,462.78 = 3,074.60 : x
  2. Step 2: Convert to fraction form
    12,308.52/18,462.78 = 3,074.60/x
  3. Step 3: Cross multiply
    12,308.52x = 18,462.78 × 3,074.60
  4. Step 4: Simplify right side
    12,308.52x = 56,765,663.39
  5. Step 5: Solve for x
    x = 56,765,663.39/12,308.52
  6. Step 6: Final answer
    x = 4,611.90

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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.