Home / 22,071.25-30,458.50-11,999.69

Finding the Fourth Proportional to 22,071.25, 30,458.50 and 11,999.69

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Solution

The fourth proportional to 22,071.25, 30,458.50 and 11,999.69 is: 16,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.25 : 30,458.50 = 11,999.69 : x
  2. Step 2: Convert to fraction form
    22,071.25/30,458.50 = 11,999.69/x
  3. Step 3: Cross multiply
    22,071.25x = 30,458.50 × 11,999.69
  4. Step 4: Simplify right side
    22,071.25x = 365,492,375.57
  5. Step 5: Solve for x
    x = 365,492,375.57/22,071.25
  6. Step 6: Final answer
    x = 16,559.66

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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.