Home / 15,513.21-23,269.51-4,419.97

Finding the Fourth Proportional to 15,513.21, 23,269.51 and 4,419.97

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Solution

The fourth proportional to 15,513.21, 23,269.51 and 4,419.97 is: 6,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.21 : 23,269.51 = 4,419.97 : x
  2. Step 2: Convert to fraction form
    15,513.21/23,269.51 = 4,419.97/x
  3. Step 3: Cross multiply
    15,513.21x = 23,269.51 × 4,419.97
  4. Step 4: Simplify right side
    15,513.21x = 102,850,536.11
  5. Step 5: Solve for x
    x = 102,850,536.11/15,513.21
  6. Step 6: Final answer
    x = 6,629.87

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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.