Home / 12,512.22-18,768.26-5,019.12

Finding the Fourth Proportional to 12,512.22, 18,768.26 and 5,019.12

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Solution

The fourth proportional to 12,512.22, 18,768.26 and 5,019.12 is: 7,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.22 : 18,768.26 = 5,019.12 : x
  2. Step 2: Convert to fraction form
    12,512.22/18,768.26 = 5,019.12/x
  3. Step 3: Cross multiply
    12,512.22x = 18,768.26 × 5,019.12
  4. Step 4: Simplify right side
    12,512.22x = 94,200,124.04
  5. Step 5: Solve for x
    x = 94,200,124.04/12,512.22
  6. Step 6: Final answer
    x = 7,528.65

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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.