Home / 19,859.90-27,406.67-10,907.85

Finding the Fourth Proportional to 19,859.90, 27,406.67 and 10,907.85

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Solution

The fourth proportional to 19,859.90, 27,406.67 and 10,907.85 is: 15,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.90 : 27,406.67 = 10,907.85 : x
  2. Step 2: Convert to fraction form
    19,859.90/27,406.67 = 10,907.85/x
  3. Step 3: Cross multiply
    19,859.90x = 27,406.67 × 10,907.85
  4. Step 4: Simplify right side
    19,859.90x = 298,947,735.60
  5. Step 5: Solve for x
    x = 298,947,735.60/19,859.90
  6. Step 6: Final answer
    x = 15,052.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.