Home / 19,239.18-28,868.92-13,652.94

Finding the Fourth Proportional to 19,239.18, 28,868.92 and 13,652.94

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Solution

The fourth proportional to 19,239.18, 28,868.92 and 13,652.94 is: 20,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.18 : 28,868.92 = 13,652.94 : x
  2. Step 2: Convert to fraction form
    19,239.18/28,868.92 = 13,652.94/x
  3. Step 3: Cross multiply
    19,239.18x = 28,868.92 × 13,652.94
  4. Step 4: Simplify right side
    19,239.18x = 394,145,632.62
  5. Step 5: Solve for x
    x = 394,145,632.62/19,239.18
  6. Step 6: Final answer
    x = 20,486.61

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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.