Home / 12,804.03-19,208.65-7,259.85

Finding the Fourth Proportional to 12,804.03, 19,208.65 and 7,259.85

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Solution

The fourth proportional to 12,804.03, 19,208.65 and 7,259.85 is: 10,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.03 : 19,208.65 = 7,259.85 : x
  2. Step 2: Convert to fraction form
    12,804.03/19,208.65 = 7,259.85/x
  3. Step 3: Cross multiply
    12,804.03x = 19,208.65 × 7,259.85
  4. Step 4: Simplify right side
    12,804.03x = 139,451,917.70
  5. Step 5: Solve for x
    x = 139,451,917.70/12,804.03
  6. Step 6: Final answer
    x = 10,891.25

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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.