Home / 20,950.93-28,904.04-11,993.61

Finding the Fourth Proportional to 20,950.93, 28,904.04 and 11,993.61

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Solution

The fourth proportional to 20,950.93, 28,904.04 and 11,993.61 is: 16,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950.93 : 28,904.04 = 11,993.61 : x
  2. Step 2: Convert to fraction form
    20,950.93/28,904.04 = 11,993.61/x
  3. Step 3: Cross multiply
    20,950.93x = 28,904.04 × 11,993.61
  4. Step 4: Simplify right side
    20,950.93x = 346,663,783.18
  5. Step 5: Solve for x
    x = 346,663,783.18/20,950.93
  6. Step 6: Final answer
    x = 16,546.46

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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.