Home / 22,071.65-30,458.57-11,999.84

Finding the Fourth Proportional to 22,071.65, 30,458.57 and 11,999.84

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Solution

The fourth proportional to 22,071.65, 30,458.57 and 11,999.84 is: 16,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.65 : 30,458.57 = 11,999.84 : x
  2. Step 2: Convert to fraction form
    22,071.65/30,458.57 = 11,999.84/x
  3. Step 3: Cross multiply
    22,071.65x = 30,458.57 × 11,999.84
  4. Step 4: Simplify right side
    22,071.65x = 365,497,754.34
  5. Step 5: Solve for x
    x = 365,497,754.34/22,071.65
  6. Step 6: Final answer
    x = 16,559.61

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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.