Home / 11,881.51-17,816.09-5,555.27

Finding the Fourth Proportional to 11,881.51, 17,816.09 and 5,555.27

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Solution

The fourth proportional to 11,881.51, 17,816.09 and 5,555.27 is: 8,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.51 : 17,816.09 = 5,555.27 : x
  2. Step 2: Convert to fraction form
    11,881.51/17,816.09 = 5,555.27/x
  3. Step 3: Cross multiply
    11,881.51x = 17,816.09 × 5,555.27
  4. Step 4: Simplify right side
    11,881.51x = 98,973,207.06
  5. Step 5: Solve for x
    x = 98,973,207.06/11,881.51
  6. Step 6: Final answer
    x = 8,330.02

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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.