Home / 12,698.47-19,042.44-4,799.62

Finding the Fourth Proportional to 12,698.47, 19,042.44 and 4,799.62

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Solution

The fourth proportional to 12,698.47, 19,042.44 and 4,799.62 is: 7,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.47 : 19,042.44 = 4,799.62 : x
  2. Step 2: Convert to fraction form
    12,698.47/19,042.44 = 4,799.62/x
  3. Step 3: Cross multiply
    12,698.47x = 19,042.44 × 4,799.62
  4. Step 4: Simplify right side
    12,698.47x = 91,396,475.87
  5. Step 5: Solve for x
    x = 91,396,475.87/12,698.47
  6. Step 6: Final answer
    x = 7,197.44

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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.