Home / 19,891.47-29,837.25-9,353.79

Finding the Fourth Proportional to 19,891.47, 29,837.25 and 9,353.79

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Solution

The fourth proportional to 19,891.47, 29,837.25 and 9,353.79 is: 14,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.47 : 29,837.25 = 9,353.79 : x
  2. Step 2: Convert to fraction form
    19,891.47/29,837.25 = 9,353.79/x
  3. Step 3: Cross multiply
    19,891.47x = 29,837.25 × 9,353.79
  4. Step 4: Simplify right side
    19,891.47x = 279,091,370.68
  5. Step 5: Solve for x
    x = 279,091,370.68/19,891.47
  6. Step 6: Final answer
    x = 14,030.71

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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.