Home / 19,180.29-28,771.81-6,698.90

Finding the Fourth Proportional to 19,180.29, 28,771.81 and 6,698.90

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Solution

The fourth proportional to 19,180.29, 28,771.81 and 6,698.90 is: 10,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.29 : 28,771.81 = 6,698.90 : x
  2. Step 2: Convert to fraction form
    19,180.29/28,771.81 = 6,698.90/x
  3. Step 3: Cross multiply
    19,180.29x = 28,771.81 × 6,698.90
  4. Step 4: Simplify right side
    19,180.29x = 192,739,533.19
  5. Step 5: Solve for x
    x = 192,739,533.19/19,180.29
  6. Step 6: Final answer
    x = 10,048.83

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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.