Home / 13,001.65-17,935.93-7,964.26

Finding the Fourth Proportional to 13,001.65, 17,935.93 and 7,964.26

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Solution

The fourth proportional to 13,001.65, 17,935.93 and 7,964.26 is: 10,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.65 : 17,935.93 = 7,964.26 : x
  2. Step 2: Convert to fraction form
    13,001.65/17,935.93 = 7,964.26/x
  3. Step 3: Cross multiply
    13,001.65x = 17,935.93 × 7,964.26
  4. Step 4: Simplify right side
    13,001.65x = 142,846,374.98
  5. Step 5: Solve for x
    x = 142,846,374.98/13,001.65
  6. Step 6: Final answer
    x = 10,986.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.