Home / 19,222.05-28,786.91-9,837.39

Finding the Fourth Proportional to 19,222.05, 28,786.91 and 9,837.39

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Solution

The fourth proportional to 19,222.05, 28,786.91 and 9,837.39 is: 14,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.05 : 28,786.91 = 9,837.39 : x
  2. Step 2: Convert to fraction form
    19,222.05/28,786.91 = 9,837.39/x
  3. Step 3: Cross multiply
    19,222.05x = 28,786.91 × 9,837.39
  4. Step 4: Simplify right side
    19,222.05x = 283,188,011.38
  5. Step 5: Solve for x
    x = 283,188,011.38/19,222.05
  6. Step 6: Final answer
    x = 14,732.46

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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.