Home / 17,477.78-26,194.79-13,765.34

Finding the Fourth Proportional to 17,477.78, 26,194.79 and 13,765.34

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Solution

The fourth proportional to 17,477.78, 26,194.79 and 13,765.34 is: 20,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477.78 : 26,194.79 = 13,765.34 : x
  2. Step 2: Convert to fraction form
    17,477.78/26,194.79 = 13,765.34/x
  3. Step 3: Cross multiply
    17,477.78x = 26,194.79 × 13,765.34
  4. Step 4: Simplify right side
    17,477.78x = 360,580,290.48
  5. Step 5: Solve for x
    x = 360,580,290.48/17,477.78
  6. Step 6: Final answer
    x = 20,630.79

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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.