Home / 23,078.36-34,680.06-12,556.16

Finding the Fourth Proportional to 23,078.36, 34,680.06 and 12,556.16

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Solution

The fourth proportional to 23,078.36, 34,680.06 and 12,556.16 is: 18,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.36 : 34,680.06 = 12,556.16 : x
  2. Step 2: Convert to fraction form
    23,078.36/34,680.06 = 12,556.16/x
  3. Step 3: Cross multiply
    23,078.36x = 34,680.06 × 12,556.16
  4. Step 4: Simplify right side
    23,078.36x = 435,448,208.77
  5. Step 5: Solve for x
    x = 435,448,208.77/23,078.36
  6. Step 6: Final answer
    x = 18,868.25

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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.