Home / 20,277.24-30,419.64-7,796.76

Finding the Fourth Proportional to 20,277.24, 30,419.64 and 7,796.76

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Solution

The fourth proportional to 20,277.24, 30,419.64 and 7,796.76 is: 11,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.24 : 30,419.64 = 7,796.76 : x
  2. Step 2: Convert to fraction form
    20,277.24/30,419.64 = 7,796.76/x
  3. Step 3: Cross multiply
    20,277.24x = 30,419.64 × 7,796.76
  4. Step 4: Simplify right side
    20,277.24x = 237,174,632.37
  5. Step 5: Solve for x
    x = 237,174,632.37/20,277.24
  6. Step 6: Final answer
    x = 11,696.59

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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.