Home / 17,217.78-25,840.52-8,900.23

Finding the Fourth Proportional to 17,217.78, 25,840.52 and 8,900.23

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Solution

The fourth proportional to 17,217.78, 25,840.52 and 8,900.23 is: 13,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.78 : 25,840.52 = 8,900.23 : x
  2. Step 2: Convert to fraction form
    17,217.78/25,840.52 = 8,900.23/x
  3. Step 3: Cross multiply
    17,217.78x = 25,840.52 × 8,900.23
  4. Step 4: Simplify right side
    17,217.78x = 229,986,571.32
  5. Step 5: Solve for x
    x = 229,986,571.32/17,217.78
  6. Step 6: Final answer
    x = 13,357.50

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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.