Home / 11,984.36-17,965.50-5,055.08

Finding the Fourth Proportional to 11,984.36, 17,965.50 and 5,055.08

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Solution

The fourth proportional to 11,984.36, 17,965.50 and 5,055.08 is: 7,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.36 : 17,965.50 = 5,055.08 : x
  2. Step 2: Convert to fraction form
    11,984.36/17,965.50 = 5,055.08/x
  3. Step 3: Cross multiply
    11,984.36x = 17,965.50 × 5,055.08
  4. Step 4: Simplify right side
    11,984.36x = 90,817,039.74
  5. Step 5: Solve for x
    x = 90,817,039.74/11,984.36
  6. Step 6: Final answer
    x = 7,577.96

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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.