Home / 15,419.06-23,104.36-11,917.64

Finding the Fourth Proportional to 15,419.06, 23,104.36 and 11,917.64

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Solution

The fourth proportional to 15,419.06, 23,104.36 and 11,917.64 is: 17,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.06 : 23,104.36 = 11,917.64 : x
  2. Step 2: Convert to fraction form
    15,419.06/23,104.36 = 11,917.64/x
  3. Step 3: Cross multiply
    15,419.06x = 23,104.36 × 11,917.64
  4. Step 4: Simplify right side
    15,419.06x = 275,349,387.15
  5. Step 5: Solve for x
    x = 275,349,387.15/15,419.06
  6. Step 6: Final answer
    x = 17,857.73

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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.