Home / 16,780.14-25,168.48-5,686.54

Finding the Fourth Proportional to 16,780.14, 25,168.48 and 5,686.54

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Solution

The fourth proportional to 16,780.14, 25,168.48 and 5,686.54 is: 8,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.14 : 25,168.48 = 5,686.54 : x
  2. Step 2: Convert to fraction form
    16,780.14/25,168.48 = 5,686.54/x
  3. Step 3: Cross multiply
    16,780.14x = 25,168.48 × 5,686.54
  4. Step 4: Simplify right side
    16,780.14x = 143,121,413.98
  5. Step 5: Solve for x
    x = 143,121,413.98/16,780.14
  6. Step 6: Final answer
    x = 8,529.21

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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.