Home / 20,717.37-31,048.31-11,343.24

Finding the Fourth Proportional to 20,717.37, 31,048.31 and 11,343.24

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Solution

The fourth proportional to 20,717.37, 31,048.31 and 11,343.24 is: 16,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.37 : 31,048.31 = 11,343.24 : x
  2. Step 2: Convert to fraction form
    20,717.37/31,048.31 = 11,343.24/x
  3. Step 3: Cross multiply
    20,717.37x = 31,048.31 × 11,343.24
  4. Step 4: Simplify right side
    20,717.37x = 352,188,460.28
  5. Step 5: Solve for x
    x = 352,188,460.28/20,717.37
  6. Step 6: Final answer
    x = 16,999.67

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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.