Home / 21,544.34-29,721.21-12,592.22

Finding the Fourth Proportional to 21,544.34, 29,721.21 and 12,592.22

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Solution

The fourth proportional to 21,544.34, 29,721.21 and 12,592.22 is: 17,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.34 : 29,721.21 = 12,592.22 : x
  2. Step 2: Convert to fraction form
    21,544.34/29,721.21 = 12,592.22/x
  3. Step 3: Cross multiply
    21,544.34x = 29,721.21 × 12,592.22
  4. Step 4: Simplify right side
    21,544.34x = 374,256,014.99
  5. Step 5: Solve for x
    x = 374,256,014.99/21,544.34
  6. Step 6: Final answer
    x = 17,371.43

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1.5x scale

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.