Home / 11,968.23-17,913.21-8,804.83

Finding the Fourth Proportional to 11,968.23, 17,913.21 and 8,804.83

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Solution

The fourth proportional to 11,968.23, 17,913.21 and 8,804.83 is: 13,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.23 : 17,913.21 = 8,804.83 : x
  2. Step 2: Convert to fraction form
    11,968.23/17,913.21 = 8,804.83/x
  3. Step 3: Cross multiply
    11,968.23x = 17,913.21 × 8,804.83
  4. Step 4: Simplify right side
    11,968.23x = 157,722,768.80
  5. Step 5: Solve for x
    x = 157,722,768.80/11,968.23
  6. Step 6: Final answer
    x = 13,178.45

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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.