Home / 17,765.93-26,662.82-12,394.18

Finding the Fourth Proportional to 17,765.93, 26,662.82 and 12,394.18

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Solution

The fourth proportional to 17,765.93, 26,662.82 and 12,394.18 is: 18,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.93 : 26,662.82 = 12,394.18 : x
  2. Step 2: Convert to fraction form
    17,765.93/26,662.82 = 12,394.18/x
  3. Step 3: Cross multiply
    17,765.93x = 26,662.82 × 12,394.18
  4. Step 4: Simplify right side
    17,765.93x = 330,463,708.24
  5. Step 5: Solve for x
    x = 330,463,708.24/17,765.93
  6. Step 6: Final answer
    x = 18,600.98

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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.