Home / 21,952.98-30,295.59-12,997.23

Finding the Fourth Proportional to 21,952.98, 30,295.59 and 12,997.23

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Solution

The fourth proportional to 21,952.98, 30,295.59 and 12,997.23 is: 17,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.98 : 30,295.59 = 12,997.23 : x
  2. Step 2: Convert to fraction form
    21,952.98/30,295.59 = 12,997.23/x
  3. Step 3: Cross multiply
    21,952.98x = 30,295.59 × 12,997.23
  4. Step 4: Simplify right side
    21,952.98x = 393,758,751.22
  5. Step 5: Solve for x
    x = 393,758,751.22/21,952.98
  6. Step 6: Final answer
    x = 17,936.46

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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.