Home / 13,072.72-19,608.36-12,302.20

Finding the Fourth Proportional to 13,072.72, 19,608.36 and 12,302.20

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Solution

The fourth proportional to 13,072.72, 19,608.36 and 12,302.20 is: 18,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.72 : 19,608.36 = 12,302.20 : x
  2. Step 2: Convert to fraction form
    13,072.72/19,608.36 = 12,302.20/x
  3. Step 3: Cross multiply
    13,072.72x = 19,608.36 × 12,302.20
  4. Step 4: Simplify right side
    13,072.72x = 241,225,966.39
  5. Step 5: Solve for x
    x = 241,225,966.39/13,072.72
  6. Step 6: Final answer
    x = 18,452.62

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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.