Home / 19,136.98-28,708.44-9,771.93

Finding the Fourth Proportional to 19,136.98, 28,708.44 and 9,771.93

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Solution

The fourth proportional to 19,136.98, 28,708.44 and 9,771.93 is: 14,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.98 : 28,708.44 = 9,771.93 : x
  2. Step 2: Convert to fraction form
    19,136.98/28,708.44 = 9,771.93/x
  3. Step 3: Cross multiply
    19,136.98x = 28,708.44 × 9,771.93
  4. Step 4: Simplify right side
    19,136.98x = 280,536,866.09
  5. Step 5: Solve for x
    x = 280,536,866.09/19,136.98
  6. Step 6: Final answer
    x = 14,659.41

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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.