Home / 20,223.01-27,905.07-11,269.45

Finding the Fourth Proportional to 20,223.01, 27,905.07 and 11,269.45

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Solution

The fourth proportional to 20,223.01, 27,905.07 and 11,269.45 is: 15,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.01 : 27,905.07 = 11,269.45 : x
  2. Step 2: Convert to fraction form
    20,223.01/27,905.07 = 11,269.45/x
  3. Step 3: Cross multiply
    20,223.01x = 27,905.07 × 11,269.45
  4. Step 4: Simplify right side
    20,223.01x = 314,474,791.11
  5. Step 5: Solve for x
    x = 314,474,791.11/20,223.01
  6. Step 6: Final answer
    x = 15,550.35

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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.