Home / 14,238.29-21,370.43-7,223.13

Finding the Fourth Proportional to 14,238.29, 21,370.43 and 7,223.13

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Solution

The fourth proportional to 14,238.29, 21,370.43 and 7,223.13 is: 10,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.29 : 21,370.43 = 7,223.13 : x
  2. Step 2: Convert to fraction form
    14,238.29/21,370.43 = 7,223.13/x
  3. Step 3: Cross multiply
    14,238.29x = 21,370.43 × 7,223.13
  4. Step 4: Simplify right side
    14,238.29x = 154,361,412.10
  5. Step 5: Solve for x
    x = 154,361,412.10/14,238.29
  6. Step 6: Final answer
    x = 10,841.29

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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.