Home / 12,461.80-17,176.44-10,945.48

Finding the Fourth Proportional to 12,461.80, 17,176.44 and 10,945.48

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Solution

The fourth proportional to 12,461.80, 17,176.44 and 10,945.48 is: 15,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.80 : 17,176.44 = 10,945.48 : x
  2. Step 2: Convert to fraction form
    12,461.80/17,176.44 = 10,945.48/x
  3. Step 3: Cross multiply
    12,461.80x = 17,176.44 × 10,945.48
  4. Step 4: Simplify right side
    12,461.80x = 188,004,380.49
  5. Step 5: Solve for x
    x = 188,004,380.49/12,461.80
  6. Step 6: Final answer
    x = 15,086.45

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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.