Home / 13,382.67-20,083.22-4,617.60

Finding the Fourth Proportional to 13,382.67, 20,083.22 and 4,617.60

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Solution

The fourth proportional to 13,382.67, 20,083.22 and 4,617.60 is: 6,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.67 : 20,083.22 = 4,617.60 : x
  2. Step 2: Convert to fraction form
    13,382.67/20,083.22 = 4,617.60/x
  3. Step 3: Cross multiply
    13,382.67x = 20,083.22 × 4,617.60
  4. Step 4: Simplify right side
    13,382.67x = 92,736,276.67
  5. Step 5: Solve for x
    x = 92,736,276.67/13,382.67
  6. Step 6: Final answer
    x = 6,929.58

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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.