Home / 12,630.26-18,945.40-5,608.64

Finding the Fourth Proportional to 12,630.26, 18,945.40 and 5,608.64

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Solution

The fourth proportional to 12,630.26, 18,945.40 and 5,608.64 is: 8,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.26 : 18,945.40 = 5,608.64 : x
  2. Step 2: Convert to fraction form
    12,630.26/18,945.40 = 5,608.64/x
  3. Step 3: Cross multiply
    12,630.26x = 18,945.40 × 5,608.64
  4. Step 4: Simplify right side
    12,630.26x = 106,257,928.26
  5. Step 5: Solve for x
    x = 106,257,928.26/12,630.26
  6. Step 6: Final answer
    x = 8,412.96

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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.