Home / 12,697.44-19,046.88-4,377.84

Finding the Fourth Proportional to 12,697.44, 19,046.88 and 4,377.84

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Solution

The fourth proportional to 12,697.44, 19,046.88 and 4,377.84 is: 6,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.44 : 19,046.88 = 4,377.84 : x
  2. Step 2: Convert to fraction form
    12,697.44/19,046.88 = 4,377.84/x
  3. Step 3: Cross multiply
    12,697.44x = 19,046.88 × 4,377.84
  4. Step 4: Simplify right side
    12,697.44x = 83,384,193.14
  5. Step 5: Solve for x
    x = 83,384,193.14/12,697.44
  6. Step 6: Final answer
    x = 6,567.01

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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.