Home / 21,299.94-29,385.27-14,133.24

Finding the Fourth Proportional to 21,299.94, 29,385.27 and 14,133.24

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Solution

The fourth proportional to 21,299.94, 29,385.27 and 14,133.24 is: 19,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,299.94 : 29,385.27 = 14,133.24 : x
  2. Step 2: Convert to fraction form
    21,299.94/29,385.27 = 14,133.24/x
  3. Step 3: Cross multiply
    21,299.94x = 29,385.27 × 14,133.24
  4. Step 4: Simplify right side
    21,299.94x = 415,309,073.37
  5. Step 5: Solve for x
    x = 415,309,073.37/21,299.94
  6. Step 6: Final answer
    x = 19,498.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.