Home / 13,375.85-20,068.35-5,058.26

Finding the Fourth Proportional to 13,375.85, 20,068.35 and 5,058.26

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Solution

The fourth proportional to 13,375.85, 20,068.35 and 5,058.26 is: 7,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.85 : 20,068.35 = 5,058.26 : x
  2. Step 2: Convert to fraction form
    13,375.85/20,068.35 = 5,058.26/x
  3. Step 3: Cross multiply
    13,375.85x = 20,068.35 × 5,058.26
  4. Step 4: Simplify right side
    13,375.85x = 101,510,831.73
  5. Step 5: Solve for x
    x = 101,510,831.73/13,375.85
  6. Step 6: Final answer
    x = 7,589.12

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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.