Home / 9,829.45-13,564.70-5,353.21

Finding the Fourth Proportional to 9,829.45, 13,564.70 and 5,353.21

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Solution

The fourth proportional to 9,829.45, 13,564.70 and 5,353.21 is: 7,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.45 : 13,564.70 = 5,353.21 : x
  2. Step 2: Convert to fraction form
    9,829.45/13,564.70 = 5,353.21/x
  3. Step 3: Cross multiply
    9,829.45x = 13,564.70 × 5,353.21
  4. Step 4: Simplify right side
    9,829.45x = 72,614,687.69
  5. Step 5: Solve for x
    x = 72,614,687.69/9,829.45
  6. Step 6: Final answer
    x = 7,387.46

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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.