Home / 9,828.75-13,563.47-5,352.58

Finding the Fourth Proportional to 9,828.75, 13,563.47 and 5,352.58

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Solution

The fourth proportional to 9,828.75, 13,563.47 and 5,352.58 is: 7,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.75 : 13,563.47 = 5,352.58 : x
  2. Step 2: Convert to fraction form
    9,828.75/13,563.47 = 5,352.58/x
  3. Step 3: Cross multiply
    9,828.75x = 13,563.47 × 5,352.58
  4. Step 4: Simplify right side
    9,828.75x = 72,599,537.73
  5. Step 5: Solve for x
    x = 72,599,537.73/9,828.75
  6. Step 6: Final answer
    x = 7,386.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.