Home / 12,738.80-17,583.26-8,496.02

Finding the Fourth Proportional to 12,738.80, 17,583.26 and 8,496.02

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Solution

The fourth proportional to 12,738.80, 17,583.26 and 8,496.02 is: 11,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.80 : 17,583.26 = 8,496.02 : x
  2. Step 2: Convert to fraction form
    12,738.80/17,583.26 = 8,496.02/x
  3. Step 3: Cross multiply
    12,738.80x = 17,583.26 × 8,496.02
  4. Step 4: Simplify right side
    12,738.80x = 149,387,598.23
  5. Step 5: Solve for x
    x = 149,387,598.23/12,738.80
  6. Step 6: Final answer
    x = 11,726.98

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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.