Home / 12,212.46-18,316.26-3,445.02

Finding the Fourth Proportional to 12,212.46, 18,316.26 and 3,445.02

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Solution

The fourth proportional to 12,212.46, 18,316.26 and 3,445.02 is: 5,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.46 : 18,316.26 = 3,445.02 : x
  2. Step 2: Convert to fraction form
    12,212.46/18,316.26 = 3,445.02/x
  3. Step 3: Cross multiply
    12,212.46x = 18,316.26 × 3,445.02
  4. Step 4: Simplify right side
    12,212.46x = 63,099,882.03
  5. Step 5: Solve for x
    x = 63,099,882.03/12,212.46
  6. Step 6: Final answer
    x = 5,166.84

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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.