Home / 20,174.77-30,262.15-5,383.74

Finding the Fourth Proportional to 20,174.77, 30,262.15 and 5,383.74

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Solution

The fourth proportional to 20,174.77, 30,262.15 and 5,383.74 is: 8,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.77 : 30,262.15 = 5,383.74 : x
  2. Step 2: Convert to fraction form
    20,174.77/30,262.15 = 5,383.74/x
  3. Step 3: Cross multiply
    20,174.77x = 30,262.15 × 5,383.74
  4. Step 4: Simplify right side
    20,174.77x = 162,923,396.13
  5. Step 5: Solve for x
    x = 162,923,396.13/20,174.77
  6. Step 6: Final answer
    x = 8,075.60

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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.