Home / 14,392.09-21,556.88-6,980.97

Finding the Fourth Proportional to 14,392.09, 21,556.88 and 6,980.97

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Solution

The fourth proportional to 14,392.09, 21,556.88 and 6,980.97 is: 10,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.09 : 21,556.88 = 6,980.97 : x
  2. Step 2: Convert to fraction form
    14,392.09/21,556.88 = 6,980.97/x
  3. Step 3: Cross multiply
    14,392.09x = 21,556.88 × 6,980.97
  4. Step 4: Simplify right side
    14,392.09x = 150,487,932.57
  5. Step 5: Solve for x
    x = 150,487,932.57/14,392.09
  6. Step 6: Final answer
    x = 10,456.30

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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.