Home / 23,911.09-35,881.62-9,121.30

Finding the Fourth Proportional to 23,911.09, 35,881.62 and 9,121.30

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Solution

The fourth proportional to 23,911.09, 35,881.62 and 9,121.30 is: 13,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,911.09 : 35,881.62 = 9,121.30 : x
  2. Step 2: Convert to fraction form
    23,911.09/35,881.62 = 9,121.30/x
  3. Step 3: Cross multiply
    23,911.09x = 35,881.62 × 9,121.30
  4. Step 4: Simplify right side
    23,911.09x = 327,287,020.51
  5. Step 5: Solve for x
    x = 327,287,020.51/23,911.09
  6. Step 6: Final answer
    x = 13,687.67

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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.