Home / 10,515.41-14,511.36-5,735.31

Finding the Fourth Proportional to 10,515.41, 14,511.36 and 5,735.31

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Solution

The fourth proportional to 10,515.41, 14,511.36 and 5,735.31 is: 7,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.41 : 14,511.36 = 5,735.31 : x
  2. Step 2: Convert to fraction form
    10,515.41/14,511.36 = 5,735.31/x
  3. Step 3: Cross multiply
    10,515.41x = 14,511.36 × 5,735.31
  4. Step 4: Simplify right side
    10,515.41x = 83,227,148.12
  5. Step 5: Solve for x
    x = 83,227,148.12/10,515.41
  6. Step 6: Final answer
    x = 7,914.78

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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.