Home / 18,880.73-28,319.25-5,733.21

Finding the Fourth Proportional to 18,880.73, 28,319.25 and 5,733.21

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Solution

The fourth proportional to 18,880.73, 28,319.25 and 5,733.21 is: 8,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.73 : 28,319.25 = 5,733.21 : x
  2. Step 2: Convert to fraction form
    18,880.73/28,319.25 = 5,733.21/x
  3. Step 3: Cross multiply
    18,880.73x = 28,319.25 × 5,733.21
  4. Step 4: Simplify right side
    18,880.73x = 162,360,334.99
  5. Step 5: Solve for x
    x = 162,360,334.99/18,880.73
  6. Step 6: Final answer
    x = 8,599.26

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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.