Home / 18,728.42-28,083.16-6,244.07

Finding the Fourth Proportional to 18,728.42, 28,083.16 and 6,244.07

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Solution

The fourth proportional to 18,728.42, 28,083.16 and 6,244.07 is: 9,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.42 : 28,083.16 = 6,244.07 : x
  2. Step 2: Convert to fraction form
    18,728.42/28,083.16 = 6,244.07/x
  3. Step 3: Cross multiply
    18,728.42x = 28,083.16 × 6,244.07
  4. Step 4: Simplify right side
    18,728.42x = 175,353,185.64
  5. Step 5: Solve for x
    x = 175,353,185.64/18,728.42
  6. Step 6: Final answer
    x = 9,362.95

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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.