Home / 19,013.36-28,521.48-5,162

Finding the Fourth Proportional to 19,013.36, 28,521.48 and 5,162

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Solution

The fourth proportional to 19,013.36, 28,521.48 and 5,162 is: 7,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.36 : 28,521.48 = 5,162 : x
  2. Step 2: Convert to fraction form
    19,013.36/28,521.48 = 5,162/x
  3. Step 3: Cross multiply
    19,013.36x = 28,521.48 × 5,162
  4. Step 4: Simplify right side
    19,013.36x = 147,227,879.76
  5. Step 5: Solve for x
    x = 147,227,879.76/19,013.36
  6. Step 6: Final answer
    x = 7,743.39

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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.