Home / 22,109.09-33,166.67-7,319.50

Finding the Fourth Proportional to 22,109.09, 33,166.67 and 7,319.50

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Solution

The fourth proportional to 22,109.09, 33,166.67 and 7,319.50 is: 10,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.09 : 33,166.67 = 7,319.50 : x
  2. Step 2: Convert to fraction form
    22,109.09/33,166.67 = 7,319.50/x
  3. Step 3: Cross multiply
    22,109.09x = 33,166.67 × 7,319.50
  4. Step 4: Simplify right side
    22,109.09x = 242,763,321.55
  5. Step 5: Solve for x
    x = 242,763,321.55/22,109.09
  6. Step 6: Final answer
    x = 10,980.25

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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.