Home / 13,327.81-19,969.83-4,557.94

Finding the Fourth Proportional to 13,327.81, 19,969.83 and 4,557.94

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Solution

The fourth proportional to 13,327.81, 19,969.83 and 4,557.94 is: 6,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.81 : 19,969.83 = 4,557.94 : x
  2. Step 2: Convert to fraction form
    13,327.81/19,969.83 = 4,557.94/x
  3. Step 3: Cross multiply
    13,327.81x = 19,969.83 × 4,557.94
  4. Step 4: Simplify right side
    13,327.81x = 91,021,304.04
  5. Step 5: Solve for x
    x = 91,021,304.04/13,327.81
  6. Step 6: Final answer
    x = 6,829.43

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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.