Home / 20,007.33-27,610.65-11,945.67

Finding the Fourth Proportional to 20,007.33, 27,610.65 and 11,945.67

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Solution

The fourth proportional to 20,007.33, 27,610.65 and 11,945.67 is: 16,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.33 : 27,610.65 = 11,945.67 : x
  2. Step 2: Convert to fraction form
    20,007.33/27,610.65 = 11,945.67/x
  3. Step 3: Cross multiply
    20,007.33x = 27,610.65 × 11,945.67
  4. Step 4: Simplify right side
    20,007.33x = 329,827,713.39
  5. Step 5: Solve for x
    x = 329,827,713.39/20,007.33
  6. Step 6: Final answer
    x = 16,485.34

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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.