Home / 13,227.75-19,835.11-6,556.59

Finding the Fourth Proportional to 13,227.75, 19,835.11 and 6,556.59

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Solution

The fourth proportional to 13,227.75, 19,835.11 and 6,556.59 is: 9,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.75 : 19,835.11 = 6,556.59 : x
  2. Step 2: Convert to fraction form
    13,227.75/19,835.11 = 6,556.59/x
  3. Step 3: Cross multiply
    13,227.75x = 19,835.11 × 6,556.59
  4. Step 4: Simplify right side
    13,227.75x = 130,050,683.87
  5. Step 5: Solve for x
    x = 130,050,683.87/13,227.75
  6. Step 6: Final answer
    x = 9,831.66

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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.