Home / 18,830.99-28,246.65-4,791.03

Finding the Fourth Proportional to 18,830.99, 28,246.65 and 4,791.03

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Solution

The fourth proportional to 18,830.99, 28,246.65 and 4,791.03 is: 7,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.99 : 28,246.65 = 4,791.03 : x
  2. Step 2: Convert to fraction form
    18,830.99/28,246.65 = 4,791.03/x
  3. Step 3: Cross multiply
    18,830.99x = 28,246.65 × 4,791.03
  4. Step 4: Simplify right side
    18,830.99x = 135,330,596.02
  5. Step 5: Solve for x
    x = 135,330,596.02/18,830.99
  6. Step 6: Final answer
    x = 7,186.59

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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.