Home / 11,812.03-17,705.55-3,912.50

Finding the Fourth Proportional to 11,812.03, 17,705.55 and 3,912.50

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Solution

The fourth proportional to 11,812.03, 17,705.55 and 3,912.50 is: 5,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.03 : 17,705.55 = 3,912.50 : x
  2. Step 2: Convert to fraction form
    11,812.03/17,705.55 = 3,912.50/x
  3. Step 3: Cross multiply
    11,812.03x = 17,705.55 × 3,912.50
  4. Step 4: Simplify right side
    11,812.03x = 69,272,964.38
  5. Step 5: Solve for x
    x = 69,272,964.38/11,812.03
  6. Step 6: Final answer
    x = 5,864.61

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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.