Home / 14,375.67-21,556.26-4,378.50

Finding the Fourth Proportional to 14,375.67, 21,556.26 and 4,378.50

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Solution

The fourth proportional to 14,375.67, 21,556.26 and 4,378.50 is: 6,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.67 : 21,556.26 = 4,378.50 : x
  2. Step 2: Convert to fraction form
    14,375.67/21,556.26 = 4,378.50/x
  3. Step 3: Cross multiply
    14,375.67x = 21,556.26 × 4,378.50
  4. Step 4: Simplify right side
    14,375.67x = 94,384,084.41
  5. Step 5: Solve for x
    x = 94,384,084.41/14,375.67
  6. Step 6: Final answer
    x = 6,565.54

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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.