Home / 22,169.54-30,597.76-21,173.06

Finding the Fourth Proportional to 22,169.54, 30,597.76 and 21,173.06

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Solution

The fourth proportional to 22,169.54, 30,597.76 and 21,173.06 is: 29,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.54 : 30,597.76 = 21,173.06 : x
  2. Step 2: Convert to fraction form
    22,169.54/30,597.76 = 21,173.06/x
  3. Step 3: Cross multiply
    22,169.54x = 30,597.76 × 21,173.06
  4. Step 4: Simplify right side
    22,169.54x = 647,848,208.35
  5. Step 5: Solve for x
    x = 647,848,208.35/22,169.54
  6. Step 6: Final answer
    x = 29,222.45

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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.