Home / 20,174.52-30,262.32-5,383.40

Finding the Fourth Proportional to 20,174.52, 30,262.32 and 5,383.40

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Solution

The fourth proportional to 20,174.52, 30,262.32 and 5,383.40 is: 8,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.52 : 30,262.32 = 5,383.40 : x
  2. Step 2: Convert to fraction form
    20,174.52/30,262.32 = 5,383.40/x
  3. Step 3: Cross multiply
    20,174.52x = 30,262.32 × 5,383.40
  4. Step 4: Simplify right side
    20,174.52x = 162,914,173.49
  5. Step 5: Solve for x
    x = 162,914,173.49/20,174.52
  6. Step 6: Final answer
    x = 8,075.24

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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.