Home / 19,711.78-29,556.73-6,556.97

Finding the Fourth Proportional to 19,711.78, 29,556.73 and 6,556.97

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Solution

The fourth proportional to 19,711.78, 29,556.73 and 6,556.97 is: 9,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.78 : 29,556.73 = 6,556.97 : x
  2. Step 2: Convert to fraction form
    19,711.78/29,556.73 = 6,556.97/x
  3. Step 3: Cross multiply
    19,711.78x = 29,556.73 × 6,556.97
  4. Step 4: Simplify right side
    19,711.78x = 193,802,649.41
  5. Step 5: Solve for x
    x = 193,802,649.41/19,711.78
  6. Step 6: Final answer
    x = 9,831.82

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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.