Home / 17,087.45-25,654.78-11,809.45

Finding the Fourth Proportional to 17,087.45, 25,654.78 and 11,809.45

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Solution

The fourth proportional to 17,087.45, 25,654.78 and 11,809.45 is: 17,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.45 : 25,654.78 = 11,809.45 : x
  2. Step 2: Convert to fraction form
    17,087.45/25,654.78 = 11,809.45/x
  3. Step 3: Cross multiply
    17,087.45x = 25,654.78 × 11,809.45
  4. Step 4: Simplify right side
    17,087.45x = 302,968,829.45
  5. Step 5: Solve for x
    x = 302,968,829.45/17,087.45
  6. Step 6: Final answer
    x = 17,730.49

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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.