Home / 22,212.11-33,323.40-7,219.18

Finding the Fourth Proportional to 22,212.11, 33,323.40 and 7,219.18

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Solution

The fourth proportional to 22,212.11, 33,323.40 and 7,219.18 is: 10,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.11 : 33,323.40 = 7,219.18 : x
  2. Step 2: Convert to fraction form
    22,212.11/33,323.40 = 7,219.18/x
  3. Step 3: Cross multiply
    22,212.11x = 33,323.40 × 7,219.18
  4. Step 4: Simplify right side
    22,212.11x = 240,567,622.81
  5. Step 5: Solve for x
    x = 240,567,622.81/22,212.11
  6. Step 6: Final answer
    x = 10,830.47

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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.