Home / 22,012.57-33,001.80-7,212.25

Finding the Fourth Proportional to 22,012.57, 33,001.80 and 7,212.25

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Solution

The fourth proportional to 22,012.57, 33,001.80 and 7,212.25 is: 10,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.57 : 33,001.80 = 7,212.25 : x
  2. Step 2: Convert to fraction form
    22,012.57/33,001.80 = 7,212.25/x
  3. Step 3: Cross multiply
    22,012.57x = 33,001.80 × 7,212.25
  4. Step 4: Simplify right side
    22,012.57x = 238,017,232.05
  5. Step 5: Solve for x
    x = 238,017,232.05/22,012.57
  6. Step 6: Final answer
    x = 10,812.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.