Home / 21,063.11-29,073.13-12,457.26

Finding the Fourth Proportional to 21,063.11, 29,073.13 and 12,457.26

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Solution

The fourth proportional to 21,063.11, 29,073.13 and 12,457.26 is: 17,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.11 : 29,073.13 = 12,457.26 : x
  2. Step 2: Convert to fraction form
    21,063.11/29,073.13 = 12,457.26/x
  3. Step 3: Cross multiply
    21,063.11x = 29,073.13 × 12,457.26
  4. Step 4: Simplify right side
    21,063.11x = 362,171,508.28
  5. Step 5: Solve for x
    x = 362,171,508.28/21,063.11
  6. Step 6: Final answer
    x = 17,194.59

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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.