Home / 12,798.71-19,199.73-4,481.12

Finding the Fourth Proportional to 12,798.71, 19,199.73 and 4,481.12

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Solution

The fourth proportional to 12,798.71, 19,199.73 and 4,481.12 is: 6,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.71 : 19,199.73 = 4,481.12 : x
  2. Step 2: Convert to fraction form
    12,798.71/19,199.73 = 4,481.12/x
  3. Step 3: Cross multiply
    12,798.71x = 19,199.73 × 4,481.12
  4. Step 4: Simplify right side
    12,798.71x = 86,036,358.90
  5. Step 5: Solve for x
    x = 86,036,358.90/12,798.71
  6. Step 6: Final answer
    x = 6,722.27

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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.