Home / 14,278.52-21,394.74-8,795

Finding the Fourth Proportional to 14,278.52, 21,394.74 and 8,795

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Solution

The fourth proportional to 14,278.52, 21,394.74 and 8,795 is: 13,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.52 : 21,394.74 = 8,795 : x
  2. Step 2: Convert to fraction form
    14,278.52/21,394.74 = 8,795/x
  3. Step 3: Cross multiply
    14,278.52x = 21,394.74 × 8,795
  4. Step 4: Simplify right side
    14,278.52x = 188,166,738.30
  5. Step 5: Solve for x
    x = 188,166,738.30/14,278.52
  6. Step 6: Final answer
    x = 13,178.31

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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.