Home / 19,620.44-29,393.58-15,185.70

Finding the Fourth Proportional to 19,620.44, 29,393.58 and 15,185.70

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Solution

The fourth proportional to 19,620.44, 29,393.58 and 15,185.70 is: 22,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.44 : 29,393.58 = 15,185.70 : x
  2. Step 2: Convert to fraction form
    19,620.44/29,393.58 = 15,185.70/x
  3. Step 3: Cross multiply
    19,620.44x = 29,393.58 × 15,185.70
  4. Step 4: Simplify right side
    19,620.44x = 446,362,087.81
  5. Step 5: Solve for x
    x = 446,362,087.81/19,620.44
  6. Step 6: Final answer
    x = 22,749.85

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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.