Home / 12,650.42-18,975.07-4,331.18

Finding the Fourth Proportional to 12,650.42, 18,975.07 and 4,331.18

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Solution

The fourth proportional to 12,650.42, 18,975.07 and 4,331.18 is: 6,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.42 : 18,975.07 = 4,331.18 : x
  2. Step 2: Convert to fraction form
    12,650.42/18,975.07 = 4,331.18/x
  3. Step 3: Cross multiply
    12,650.42x = 18,975.07 × 4,331.18
  4. Step 4: Simplify right side
    12,650.42x = 82,184,443.68
  5. Step 5: Solve for x
    x = 82,184,443.68/12,650.42
  6. Step 6: Final answer
    x = 6,496.58

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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.