Home / 12,929.73-19,391.86-5,907.75

Finding the Fourth Proportional to 12,929.73, 19,391.86 and 5,907.75

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Solution

The fourth proportional to 12,929.73, 19,391.86 and 5,907.75 is: 8,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.73 : 19,391.86 = 5,907.75 : x
  2. Step 2: Convert to fraction form
    12,929.73/19,391.86 = 5,907.75/x
  3. Step 3: Cross multiply
    12,929.73x = 19,391.86 × 5,907.75
  4. Step 4: Simplify right side
    12,929.73x = 114,562,260.92
  5. Step 5: Solve for x
    x = 114,562,260.92/12,929.73
  6. Step 6: Final answer
    x = 8,860.38

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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.