Home / 11,680.63-17,523.25-4,285.15

Finding the Fourth Proportional to 11,680.63, 17,523.25 and 4,285.15

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Solution

The fourth proportional to 11,680.63, 17,523.25 and 4,285.15 is: 6,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.63 : 17,523.25 = 4,285.15 : x
  2. Step 2: Convert to fraction form
    11,680.63/17,523.25 = 4,285.15/x
  3. Step 3: Cross multiply
    11,680.63x = 17,523.25 × 4,285.15
  4. Step 4: Simplify right side
    11,680.63x = 75,089,809.26
  5. Step 5: Solve for x
    x = 75,089,809.26/11,680.63
  6. Step 6: Final answer
    x = 6,428.57

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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.