Home / 19,757.89-29,620.59-9,222.70

Finding the Fourth Proportional to 19,757.89, 29,620.59 and 9,222.70

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Solution

The fourth proportional to 19,757.89, 29,620.59 and 9,222.70 is: 13,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.89 : 29,620.59 = 9,222.70 : x
  2. Step 2: Convert to fraction form
    19,757.89/29,620.59 = 9,222.70/x
  3. Step 3: Cross multiply
    19,757.89x = 29,620.59 × 9,222.70
  4. Step 4: Simplify right side
    19,757.89x = 273,181,815.39
  5. Step 5: Solve for x
    x = 273,181,815.39/19,757.89
  6. Step 6: Final answer
    x = 13,826.47

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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.