Home / 20,223.46-27,907.60-11,270.53

Finding the Fourth Proportional to 20,223.46, 27,907.60 and 11,270.53

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Solution

The fourth proportional to 20,223.46, 27,907.60 and 11,270.53 is: 15,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.46 : 27,907.60 = 11,270.53 : x
  2. Step 2: Convert to fraction form
    20,223.46/27,907.60 = 11,270.53/x
  3. Step 3: Cross multiply
    20,223.46x = 27,907.60 × 11,270.53
  4. Step 4: Simplify right side
    20,223.46x = 314,533,443.03
  5. Step 5: Solve for x
    x = 314,533,443.03/20,223.46
  6. Step 6: Final answer
    x = 15,552.90

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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.