Home / 13,324.93-19,957.32-7,769.95

Finding the Fourth Proportional to 13,324.93, 19,957.32 and 7,769.95

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Solution

The fourth proportional to 13,324.93, 19,957.32 and 7,769.95 is: 11,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.93 : 19,957.32 = 7,769.95 : x
  2. Step 2: Convert to fraction form
    13,324.93/19,957.32 = 7,769.95/x
  3. Step 3: Cross multiply
    13,324.93x = 19,957.32 × 7,769.95
  4. Step 4: Simplify right side
    13,324.93x = 155,067,328.64
  5. Step 5: Solve for x
    x = 155,067,328.64/13,324.93
  6. Step 6: Final answer
    x = 11,637.39

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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.