Home / 11,991.36-17,987.04-5,064.48

Finding the Fourth Proportional to 11,991.36, 17,987.04 and 5,064.48

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Solution

The fourth proportional to 11,991.36, 17,987.04 and 5,064.48 is: 7,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.36 : 17,987.04 = 5,064.48 : x
  2. Step 2: Convert to fraction form
    11,991.36/17,987.04 = 5,064.48/x
  3. Step 3: Cross multiply
    11,991.36x = 17,987.04 × 5,064.48
  4. Step 4: Simplify right side
    11,991.36x = 91,095,004.34
  5. Step 5: Solve for x
    x = 91,095,004.34/11,991.36
  6. Step 6: Final answer
    x = 7,596.72

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1.5x scale

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.