Home / 17,218.36-25,829.82-8,453.56

Finding the Fourth Proportional to 17,218.36, 25,829.82 and 8,453.56

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Solution

The fourth proportional to 17,218.36, 25,829.82 and 8,453.56 is: 12,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.36 : 25,829.82 = 8,453.56 : x
  2. Step 2: Convert to fraction form
    17,218.36/25,829.82 = 8,453.56/x
  3. Step 3: Cross multiply
    17,218.36x = 25,829.82 × 8,453.56
  4. Step 4: Simplify right side
    17,218.36x = 218,353,933.16
  5. Step 5: Solve for x
    x = 218,353,933.16/17,218.36
  6. Step 6: Final answer
    x = 12,681.46

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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.