Home / 13,306.05-19,920.17-8,076.69

Finding the Fourth Proportional to 13,306.05, 19,920.17 and 8,076.69

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Solution

The fourth proportional to 13,306.05, 19,920.17 and 8,076.69 is: 12,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.05 : 19,920.17 = 8,076.69 : x
  2. Step 2: Convert to fraction form
    13,306.05/19,920.17 = 8,076.69/x
  3. Step 3: Cross multiply
    13,306.05x = 19,920.17 × 8,076.69
  4. Step 4: Simplify right side
    13,306.05x = 160,889,058.03
  5. Step 5: Solve for x
    x = 160,889,058.03/13,306.05
  6. Step 6: Final answer
    x = 12,091.42

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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.