Home / 14,029.43-21,073.30-11,128.01

Finding the Fourth Proportional to 14,029.43, 21,073.30 and 11,128.01

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Solution

The fourth proportional to 14,029.43, 21,073.30 and 11,128.01 is: 16,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.43 : 21,073.30 = 11,128.01 : x
  2. Step 2: Convert to fraction form
    14,029.43/21,073.30 = 11,128.01/x
  3. Step 3: Cross multiply
    14,029.43x = 21,073.30 × 11,128.01
  4. Step 4: Simplify right side
    14,029.43x = 234,503,759.95
  5. Step 5: Solve for x
    x = 234,503,759.95/14,029.43
  6. Step 6: Final answer
    x = 16,715.14

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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.