Home / 11,669.36-17,497.58-7,975.76

Finding the Fourth Proportional to 11,669.36, 17,497.58 and 7,975.76

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Solution

The fourth proportional to 11,669.36, 17,497.58 and 7,975.76 is: 11,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.36 : 17,497.58 = 7,975.76 : x
  2. Step 2: Convert to fraction form
    11,669.36/17,497.58 = 7,975.76/x
  3. Step 3: Cross multiply
    11,669.36x = 17,497.58 × 7,975.76
  4. Step 4: Simplify right side
    11,669.36x = 139,556,498.66
  5. Step 5: Solve for x
    x = 139,556,498.66/11,669.36
  6. Step 6: Final answer
    x = 11,959.22

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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.