Home / 12,635.37-17,436.60-6,970.68

Finding the Fourth Proportional to 12,635.37, 17,436.60 and 6,970.68

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Solution

The fourth proportional to 12,635.37, 17,436.60 and 6,970.68 is: 9,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.37 : 17,436.60 = 6,970.68 : x
  2. Step 2: Convert to fraction form
    12,635.37/17,436.60 = 6,970.68/x
  3. Step 3: Cross multiply
    12,635.37x = 17,436.60 × 6,970.68
  4. Step 4: Simplify right side
    12,635.37x = 121,544,958.89
  5. Step 5: Solve for x
    x = 121,544,958.89/12,635.37
  6. Step 6: Final answer
    x = 9,619.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.