Home / 13,329.72-19,986.84-4,562.28

Finding the Fourth Proportional to 13,329.72, 19,986.84 and 4,562.28

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Solution

The fourth proportional to 13,329.72, 19,986.84 and 4,562.28 is: 6,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.72 : 19,986.84 = 4,562.28 : x
  2. Step 2: Convert to fraction form
    13,329.72/19,986.84 = 4,562.28/x
  3. Step 3: Cross multiply
    13,329.72x = 19,986.84 × 4,562.28
  4. Step 4: Simplify right side
    13,329.72x = 91,185,560.40
  5. Step 5: Solve for x
    x = 91,185,560.40/13,329.72
  6. Step 6: Final answer
    x = 6,840.77

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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.