Home / 22,221.45-33,316.41-11,120.16

Finding the Fourth Proportional to 22,221.45, 33,316.41 and 11,120.16

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Solution

The fourth proportional to 22,221.45, 33,316.41 and 11,120.16 is: 16,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.45 : 33,316.41 = 11,120.16 : x
  2. Step 2: Convert to fraction form
    22,221.45/33,316.41 = 11,120.16/x
  3. Step 3: Cross multiply
    22,221.45x = 33,316.41 × 11,120.16
  4. Step 4: Simplify right side
    22,221.45x = 370,483,809.83
  5. Step 5: Solve for x
    x = 370,483,809.83/22,221.45
  6. Step 6: Final answer
    x = 16,672.35

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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.