Home / 19,717.49-29,529.09-11,372.21

Finding the Fourth Proportional to 19,717.49, 29,529.09 and 11,372.21

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Solution

The fourth proportional to 19,717.49, 29,529.09 and 11,372.21 is: 17,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.49 : 29,529.09 = 11,372.21 : x
  2. Step 2: Convert to fraction form
    19,717.49/29,529.09 = 11,372.21/x
  3. Step 3: Cross multiply
    19,717.49x = 29,529.09 × 11,372.21
  4. Step 4: Simplify right side
    19,717.49x = 335,810,910.34
  5. Step 5: Solve for x
    x = 335,810,910.34/19,717.49
  6. Step 6: Final answer
    x = 17,031.12

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1.5x scale

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.