Home / 13,919.62-20,882.89-4,058.98

Finding the Fourth Proportional to 13,919.62, 20,882.89 and 4,058.98

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Solution

The fourth proportional to 13,919.62, 20,882.89 and 4,058.98 is: 6,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,919.62 : 20,882.89 = 4,058.98 : x
  2. Step 2: Convert to fraction form
    13,919.62/20,882.89 = 4,058.98/x
  3. Step 3: Cross multiply
    13,919.62x = 20,882.89 × 4,058.98
  4. Step 4: Simplify right side
    13,919.62x = 84,763,232.85
  5. Step 5: Solve for x
    x = 84,763,232.85/13,919.62
  6. Step 6: Final answer
    x = 6,089.48

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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.