Home / 12,733.47-18,968.92-12,346.56

Finding the Fourth Proportional to 12,733.47, 18,968.92 and 12,346.56

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Solution

The fourth proportional to 12,733.47, 18,968.92 and 12,346.56 is: 18,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.47 : 18,968.92 = 12,346.56 : x
  2. Step 2: Convert to fraction form
    12,733.47/18,968.92 = 12,346.56/x
  3. Step 3: Cross multiply
    12,733.47x = 18,968.92 × 12,346.56
  4. Step 4: Simplify right side
    12,733.47x = 234,200,878.05
  5. Step 5: Solve for x
    x = 234,200,878.05/12,733.47
  6. Step 6: Final answer
    x = 18,392.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.