Home / 12,556.44-17,327.31-6,891.06

Finding the Fourth Proportional to 12,556.44, 17,327.31 and 6,891.06

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Solution

The fourth proportional to 12,556.44, 17,327.31 and 6,891.06 is: 9,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.44 : 17,327.31 = 6,891.06 : x
  2. Step 2: Convert to fraction form
    12,556.44/17,327.31 = 6,891.06/x
  3. Step 3: Cross multiply
    12,556.44x = 17,327.31 × 6,891.06
  4. Step 4: Simplify right side
    12,556.44x = 119,403,532.85
  5. Step 5: Solve for x
    x = 119,403,532.85/12,556.44
  6. Step 6: Final answer
    x = 9,509.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.