Home / 14,080.62-21,131.33-11,340.36

Finding the Fourth Proportional to 14,080.62, 21,131.33 and 11,340.36

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Solution

The fourth proportional to 14,080.62, 21,131.33 and 11,340.36 is: 17,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.62 : 21,131.33 = 11,340.36 : x
  2. Step 2: Convert to fraction form
    14,080.62/21,131.33 = 11,340.36/x
  3. Step 3: Cross multiply
    14,080.62x = 21,131.33 × 11,340.36
  4. Step 4: Simplify right side
    14,080.62x = 239,636,832.78
  5. Step 5: Solve for x
    x = 239,636,832.78/14,080.62
  6. Step 6: Final answer
    x = 17,018.91

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1.5x scale

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.