Home / 15,625.90-21,573.82-13,944.41

Finding the Fourth Proportional to 15,625.90, 21,573.82 and 13,944.41

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Solution

The fourth proportional to 15,625.90, 21,573.82 and 13,944.41 is: 19,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.90 : 21,573.82 = 13,944.41 : x
  2. Step 2: Convert to fraction form
    15,625.90/21,573.82 = 13,944.41/x
  3. Step 3: Cross multiply
    15,625.90x = 21,573.82 × 13,944.41
  4. Step 4: Simplify right side
    15,625.90x = 300,834,191.35
  5. Step 5: Solve for x
    x = 300,834,191.35/15,625.90
  6. Step 6: Final answer
    x = 19,252.28

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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.