Home / 20,295.76-28,004.73-11,343.34

Finding the Fourth Proportional to 20,295.76, 28,004.73 and 11,343.34

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Solution

The fourth proportional to 20,295.76, 28,004.73 and 11,343.34 is: 15,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.76 : 28,004.73 = 11,343.34 : x
  2. Step 2: Convert to fraction form
    20,295.76/28,004.73 = 11,343.34/x
  3. Step 3: Cross multiply
    20,295.76x = 28,004.73 × 11,343.34
  4. Step 4: Simplify right side
    20,295.76x = 317,667,174.00
  5. Step 5: Solve for x
    x = 317,667,174.00/20,295.76
  6. Step 6: Final answer
    x = 15,651.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.