Home / 21,761.56-30,022.35-14,205.48

Finding the Fourth Proportional to 21,761.56, 30,022.35 and 14,205.48

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Solution

The fourth proportional to 21,761.56, 30,022.35 and 14,205.48 is: 19,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.56 : 30,022.35 = 14,205.48 : x
  2. Step 2: Convert to fraction form
    21,761.56/30,022.35 = 14,205.48/x
  3. Step 3: Cross multiply
    21,761.56x = 30,022.35 × 14,205.48
  4. Step 4: Simplify right side
    21,761.56x = 426,481,726.62
  5. Step 5: Solve for x
    x = 426,481,726.62/21,761.56
  6. Step 6: Final answer
    x = 19,597.94

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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.