Home / 13,828.55-19,073.07-10,838.43

Finding the Fourth Proportional to 13,828.55, 19,073.07 and 10,838.43

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Solution

The fourth proportional to 13,828.55, 19,073.07 and 10,838.43 is: 14,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.55 : 19,073.07 = 10,838.43 : x
  2. Step 2: Convert to fraction form
    13,828.55/19,073.07 = 10,838.43/x
  3. Step 3: Cross multiply
    13,828.55x = 19,073.07 × 10,838.43
  4. Step 4: Simplify right side
    13,828.55x = 206,722,134.08
  5. Step 5: Solve for x
    x = 206,722,134.08/13,828.55
  6. Step 6: Final answer
    x = 14,948.94

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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.