Home / 22,923.46-34,384.38-8,128.81

Finding the Fourth Proportional to 22,923.46, 34,384.38 and 8,128.81

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Solution

The fourth proportional to 22,923.46, 34,384.38 and 8,128.81 is: 12,192.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,923.46 : 34,384.38 = 8,128.81 : x
  2. Step 2: Convert to fraction form
    22,923.46/34,384.38 = 8,128.81/x
  3. Step 3: Cross multiply
    22,923.46x = 34,384.38 × 8,128.81
  4. Step 4: Simplify right side
    22,923.46x = 279,504,091.99
  5. Step 5: Solve for x
    x = 279,504,091.99/22,923.46
  6. Step 6: Final answer
    x = 12,192.93

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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.