Home / 19,131.54-28,698.39-8,741.94

Finding the Fourth Proportional to 19,131.54, 28,698.39 and 8,741.94

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Solution

The fourth proportional to 19,131.54, 28,698.39 and 8,741.94 is: 13,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.54 : 28,698.39 = 8,741.94 : x
  2. Step 2: Convert to fraction form
    19,131.54/28,698.39 = 8,741.94/x
  3. Step 3: Cross multiply
    19,131.54x = 28,698.39 × 8,741.94
  4. Step 4: Simplify right side
    19,131.54x = 250,879,603.48
  5. Step 5: Solve for x
    x = 250,879,603.48/19,131.54
  6. Step 6: Final answer
    x = 13,113.40

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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.