Home / 20,386.26-30,583.71-6,544.98

Finding the Fourth Proportional to 20,386.26, 30,583.71 and 6,544.98

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Solution

The fourth proportional to 20,386.26, 30,583.71 and 6,544.98 is: 9,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386.26 : 30,583.71 = 6,544.98 : x
  2. Step 2: Convert to fraction form
    20,386.26/30,583.71 = 6,544.98/x
  3. Step 3: Cross multiply
    20,386.26x = 30,583.71 × 6,544.98
  4. Step 4: Simplify right side
    20,386.26x = 200,169,770.28
  5. Step 5: Solve for x
    x = 200,169,770.28/20,386.26
  6. Step 6: Final answer
    x = 9,818.86

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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.