Home / 12,469.48-18,704.18-5,072.19

Finding the Fourth Proportional to 12,469.48, 18,704.18 and 5,072.19

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Solution

The fourth proportional to 12,469.48, 18,704.18 and 5,072.19 is: 7,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469.48 : 18,704.18 = 5,072.19 : x
  2. Step 2: Convert to fraction form
    12,469.48/18,704.18 = 5,072.19/x
  3. Step 3: Cross multiply
    12,469.48x = 18,704.18 × 5,072.19
  4. Step 4: Simplify right side
    12,469.48x = 94,871,097.29
  5. Step 5: Solve for x
    x = 94,871,097.29/12,469.48
  6. Step 6: Final answer
    x = 7,608.27

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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.