Home / 12,873.37-19,312.89-7,329.33

Finding the Fourth Proportional to 12,873.37, 19,312.89 and 7,329.33

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Solution

The fourth proportional to 12,873.37, 19,312.89 and 7,329.33 is: 10,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.37 : 19,312.89 = 7,329.33 : x
  2. Step 2: Convert to fraction form
    12,873.37/19,312.89 = 7,329.33/x
  3. Step 3: Cross multiply
    12,873.37x = 19,312.89 × 7,329.33
  4. Step 4: Simplify right side
    12,873.37x = 141,550,544.06
  5. Step 5: Solve for x
    x = 141,550,544.06/12,873.37
  6. Step 6: Final answer
    x = 10,995.61

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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.