Home / 13,772.01-20,658.03-3,383.76

Finding the Fourth Proportional to 13,772.01, 20,658.03 and 3,383.76

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Solution

The fourth proportional to 13,772.01, 20,658.03 and 3,383.76 is: 5,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.01 : 20,658.03 = 3,383.76 : x
  2. Step 2: Convert to fraction form
    13,772.01/20,658.03 = 3,383.76/x
  3. Step 3: Cross multiply
    13,772.01x = 20,658.03 × 3,383.76
  4. Step 4: Simplify right side
    13,772.01x = 69,901,815.59
  5. Step 5: Solve for x
    x = 69,901,815.59/13,772.01
  6. Step 6: Final answer
    x = 5,075.64

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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.