Home / 12,329.64-18,495.36-3,564.60

Finding the Fourth Proportional to 12,329.64, 18,495.36 and 3,564.60

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Solution

The fourth proportional to 12,329.64, 18,495.36 and 3,564.60 is: 5,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.64 : 18,495.36 = 3,564.60 : x
  2. Step 2: Convert to fraction form
    12,329.64/18,495.36 = 3,564.60/x
  3. Step 3: Cross multiply
    12,329.64x = 18,495.36 × 3,564.60
  4. Step 4: Simplify right side
    12,329.64x = 65,928,560.26
  5. Step 5: Solve for x
    x = 65,928,560.26/12,329.64
  6. Step 6: Final answer
    x = 5,347.16

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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.