Home / 17,478.54-26,204.09-11,918.07

Finding the Fourth Proportional to 17,478.54, 26,204.09 and 11,918.07

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Solution

The fourth proportional to 17,478.54, 26,204.09 and 11,918.07 is: 17,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.54 : 26,204.09 = 11,918.07 : x
  2. Step 2: Convert to fraction form
    17,478.54/26,204.09 = 11,918.07/x
  3. Step 3: Cross multiply
    17,478.54x = 26,204.09 × 11,918.07
  4. Step 4: Simplify right side
    17,478.54x = 312,302,119.32
  5. Step 5: Solve for x
    x = 312,302,119.32/17,478.54
  6. Step 6: Final answer
    x = 17,867.75

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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.