Home / 14,152.17-21,231.26-4,791.75

Finding the Fourth Proportional to 14,152.17, 21,231.26 and 4,791.75

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Solution

The fourth proportional to 14,152.17, 21,231.26 and 4,791.75 is: 7,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.17 : 21,231.26 = 4,791.75 : x
  2. Step 2: Convert to fraction form
    14,152.17/21,231.26 = 4,791.75/x
  3. Step 3: Cross multiply
    14,152.17x = 21,231.26 × 4,791.75
  4. Step 4: Simplify right side
    14,152.17x = 101,734,890.11
  5. Step 5: Solve for x
    x = 101,734,890.11/14,152.17
  6. Step 6: Final answer
    x = 7,188.64

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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.