Home / 22,270.74-33,359.63-13,357.81

Finding the Fourth Proportional to 22,270.74, 33,359.63 and 13,357.81

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Solution

The fourth proportional to 22,270.74, 33,359.63 and 13,357.81 is: 20,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.74 : 33,359.63 = 13,357.81 : x
  2. Step 2: Convert to fraction form
    22,270.74/33,359.63 = 13,357.81/x
  3. Step 3: Cross multiply
    22,270.74x = 33,359.63 × 13,357.81
  4. Step 4: Simplify right side
    22,270.74x = 445,611,564.88
  5. Step 5: Solve for x
    x = 445,611,564.88/22,270.74
  6. Step 6: Final answer
    x = 20,008.83

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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.