Home / 12,635.26-17,436.84-7,331.68

Finding the Fourth Proportional to 12,635.26, 17,436.84 and 7,331.68

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Solution

The fourth proportional to 12,635.26, 17,436.84 and 7,331.68 is: 10,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.26 : 17,436.84 = 7,331.68 : x
  2. Step 2: Convert to fraction form
    12,635.26/17,436.84 = 7,331.68/x
  3. Step 3: Cross multiply
    12,635.26x = 17,436.84 × 7,331.68
  4. Step 4: Simplify right side
    12,635.26x = 127,841,331.09
  5. Step 5: Solve for x
    x = 127,841,331.09/12,635.26
  6. Step 6: Final answer
    x = 10,117.82

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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.