Home / 21,228.98-29,292.45-11,796.26

Finding the Fourth Proportional to 21,228.98, 29,292.45 and 11,796.26

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Solution

The fourth proportional to 21,228.98, 29,292.45 and 11,796.26 is: 16,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,228.98 : 29,292.45 = 11,796.26 : x
  2. Step 2: Convert to fraction form
    21,228.98/29,292.45 = 11,796.26/x
  3. Step 3: Cross multiply
    21,228.98x = 29,292.45 × 11,796.26
  4. Step 4: Simplify right side
    21,228.98x = 345,541,356.24
  5. Step 5: Solve for x
    x = 345,541,356.24/21,228.98
  6. Step 6: Final answer
    x = 16,276.87

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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.