Home / 13,010.90-17,963.81-8,542.23

Finding the Fourth Proportional to 13,010.90, 17,963.81 and 8,542.23

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Solution

The fourth proportional to 13,010.90, 17,963.81 and 8,542.23 is: 11,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.90 : 17,963.81 = 8,542.23 : x
  2. Step 2: Convert to fraction form
    13,010.90/17,963.81 = 8,542.23/x
  3. Step 3: Cross multiply
    13,010.90x = 17,963.81 × 8,542.23
  4. Step 4: Simplify right side
    13,010.90x = 153,450,918.65
  5. Step 5: Solve for x
    x = 153,450,918.65/13,010.90
  6. Step 6: Final answer
    x = 11,794.03

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1.5x scale

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.