Home / 18,812.86-28,222.53-6,334.06

Finding the Fourth Proportional to 18,812.86, 28,222.53 and 6,334.06

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Solution

The fourth proportional to 18,812.86, 28,222.53 and 6,334.06 is: 9,502.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.86 : 28,222.53 = 6,334.06 : x
  2. Step 2: Convert to fraction form
    18,812.86/28,222.53 = 6,334.06/x
  3. Step 3: Cross multiply
    18,812.86x = 28,222.53 × 6,334.06
  4. Step 4: Simplify right side
    18,812.86x = 178,763,198.37
  5. Step 5: Solve for x
    x = 178,763,198.37/18,812.86
  6. Step 6: Final answer
    x = 9,502.18

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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.