Home / 12,928.66-17,840.45-7,262.97

Finding the Fourth Proportional to 12,928.66, 17,840.45 and 7,262.97

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Solution

The fourth proportional to 12,928.66, 17,840.45 and 7,262.97 is: 10,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.66 : 17,840.45 = 7,262.97 : x
  2. Step 2: Convert to fraction form
    12,928.66/17,840.45 = 7,262.97/x
  3. Step 3: Cross multiply
    12,928.66x = 17,840.45 × 7,262.97
  4. Step 4: Simplify right side
    12,928.66x = 129,574,604.39
  5. Step 5: Solve for x
    x = 129,574,604.39/12,928.66
  6. Step 6: Final answer
    x = 10,022.27

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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.