Home / 20,222.40-27,907.44-11,269.44

Finding the Fourth Proportional to 20,222.40, 27,907.44 and 11,269.44

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Solution

The fourth proportional to 20,222.40, 27,907.44 and 11,269.44 is: 15,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.40 : 27,907.44 = 11,269.44 : x
  2. Step 2: Convert to fraction form
    20,222.40/27,907.44 = 11,269.44/x
  3. Step 3: Cross multiply
    20,222.40x = 27,907.44 × 11,269.44
  4. Step 4: Simplify right side
    20,222.40x = 314,501,220.63
  5. Step 5: Solve for x
    x = 314,501,220.63/20,222.40
  6. Step 6: Final answer
    x = 15,552.12

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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.