Home / 13,243.05-19,867.56-4,477.71

Finding the Fourth Proportional to 13,243.05, 19,867.56 and 4,477.71

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Solution

The fourth proportional to 13,243.05, 19,867.56 and 4,477.71 is: 6,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.05 : 19,867.56 = 4,477.71 : x
  2. Step 2: Convert to fraction form
    13,243.05/19,867.56 = 4,477.71/x
  3. Step 3: Cross multiply
    13,243.05x = 19,867.56 × 4,477.71
  4. Step 4: Simplify right side
    13,243.05x = 88,961,172.09
  5. Step 5: Solve for x
    x = 88,961,172.09/13,243.05
  6. Step 6: Final answer
    x = 6,717.57

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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.