Home / 14,640.63-21,909.91-11,977.35

Finding the Fourth Proportional to 14,640.63, 21,909.91 and 11,977.35

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Solution

The fourth proportional to 14,640.63, 21,909.91 and 11,977.35 is: 17,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.63 : 21,909.91 = 11,977.35 : x
  2. Step 2: Convert to fraction form
    14,640.63/21,909.91 = 11,977.35/x
  3. Step 3: Cross multiply
    14,640.63x = 21,909.91 × 11,977.35
  4. Step 4: Simplify right side
    14,640.63x = 262,422,660.54
  5. Step 5: Solve for x
    x = 262,422,660.54/14,640.63
  6. Step 6: Final answer
    x = 17,924.27

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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.