Home / 18,817.54-28,221.75-6,334.32

Finding the Fourth Proportional to 18,817.54, 28,221.75 and 6,334.32

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Solution

The fourth proportional to 18,817.54, 28,221.75 and 6,334.32 is: 9,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.54 : 28,221.75 = 6,334.32 : x
  2. Step 2: Convert to fraction form
    18,817.54/28,221.75 = 6,334.32/x
  3. Step 3: Cross multiply
    18,817.54x = 28,221.75 × 6,334.32
  4. Step 4: Simplify right side
    18,817.54x = 178,765,701.29
  5. Step 5: Solve for x
    x = 178,765,701.29/18,817.54
  6. Step 6: Final answer
    x = 9,499.95

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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.