Home / 20,003.40-27,606.30-11,051.69

Finding the Fourth Proportional to 20,003.40, 27,606.30 and 11,051.69

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Solution

The fourth proportional to 20,003.40, 27,606.30 and 11,051.69 is: 15,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.40 : 27,606.30 = 11,051.69 : x
  2. Step 2: Convert to fraction form
    20,003.40/27,606.30 = 11,051.69/x
  3. Step 3: Cross multiply
    20,003.40x = 27,606.30 × 11,051.69
  4. Step 4: Simplify right side
    20,003.40x = 305,096,131.62
  5. Step 5: Solve for x
    x = 305,096,131.62/20,003.40
  6. Step 6: Final answer
    x = 15,252.21

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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.