Home / 9,159.98-13,741.59-2,921.36

Finding the Fourth Proportional to 9,159.98, 13,741.59 and 2,921.36

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Solution

The fourth proportional to 9,159.98, 13,741.59 and 2,921.36 is: 4,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.98 : 13,741.59 = 2,921.36 : x
  2. Step 2: Convert to fraction form
    9,159.98/13,741.59 = 2,921.36/x
  3. Step 3: Cross multiply
    9,159.98x = 13,741.59 × 2,921.36
  4. Step 4: Simplify right side
    9,159.98x = 40,144,131.36
  5. Step 5: Solve for x
    x = 40,144,131.36/9,159.98
  6. Step 6: Final answer
    x = 4,382.56

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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.