Home / 14,265.99-21,393.32-5,495.31

Finding the Fourth Proportional to 14,265.99, 21,393.32 and 5,495.31

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Solution

The fourth proportional to 14,265.99, 21,393.32 and 5,495.31 is: 8,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.99 : 21,393.32 = 5,495.31 : x
  2. Step 2: Convert to fraction form
    14,265.99/21,393.32 = 5,495.31/x
  3. Step 3: Cross multiply
    14,265.99x = 21,393.32 × 5,495.31
  4. Step 4: Simplify right side
    14,265.99x = 117,562,897.85
  5. Step 5: Solve for x
    x = 117,562,897.85/14,265.99
  6. Step 6: Final answer
    x = 8,240.78

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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.