Home / 12,995.73-17,923.91-11,206.17

Finding the Fourth Proportional to 12,995.73, 17,923.91 and 11,206.17

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Solution

The fourth proportional to 12,995.73, 17,923.91 and 11,206.17 is: 15,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.73 : 17,923.91 = 11,206.17 : x
  2. Step 2: Convert to fraction form
    12,995.73/17,923.91 = 11,206.17/x
  3. Step 3: Cross multiply
    12,995.73x = 17,923.91 × 11,206.17
  4. Step 4: Simplify right side
    12,995.73x = 200,858,326.49
  5. Step 5: Solve for x
    x = 200,858,326.49/12,995.73
  6. Step 6: Final answer
    x = 15,455.72

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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.