Home / 13,327.94-19,987.36-9,619.16

Finding the Fourth Proportional to 13,327.94, 19,987.36 and 9,619.16

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Solution

The fourth proportional to 13,327.94, 19,987.36 and 9,619.16 is: 14,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.94 : 19,987.36 = 9,619.16 : x
  2. Step 2: Convert to fraction form
    13,327.94/19,987.36 = 9,619.16/x
  3. Step 3: Cross multiply
    13,327.94x = 19,987.36 × 9,619.16
  4. Step 4: Simplify right side
    13,327.94x = 192,261,489.83
  5. Step 5: Solve for x
    x = 192,261,489.83/13,327.94
  6. Step 6: Final answer
    x = 14,425.44

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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.