Home / 12,494.37-18,735.19-4,171.40

Finding the Fourth Proportional to 12,494.37, 18,735.19 and 4,171.40

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Solution

The fourth proportional to 12,494.37, 18,735.19 and 4,171.40 is: 6,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.37 : 18,735.19 = 4,171.40 : x
  2. Step 2: Convert to fraction form
    12,494.37/18,735.19 = 4,171.40/x
  3. Step 3: Cross multiply
    12,494.37x = 18,735.19 × 4,171.40
  4. Step 4: Simplify right side
    12,494.37x = 78,151,867.46
  5. Step 5: Solve for x
    x = 78,151,867.46/12,494.37
  6. Step 6: Final answer
    x = 6,254.97

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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.