Home / 11,823.26-16,316.25-7,638.80

Finding the Fourth Proportional to 11,823.26, 16,316.25 and 7,638.80

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Solution

The fourth proportional to 11,823.26, 16,316.25 and 7,638.80 is: 10,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.26 : 16,316.25 = 7,638.80 : x
  2. Step 2: Convert to fraction form
    11,823.26/16,316.25 = 7,638.80/x
  3. Step 3: Cross multiply
    11,823.26x = 16,316.25 × 7,638.80
  4. Step 4: Simplify right side
    11,823.26x = 124,636,570.50
  5. Step 5: Solve for x
    x = 124,636,570.50/11,823.26
  6. Step 6: Final answer
    x = 10,541.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.