Home / 12,936.74-17,835.86-9,754.65

Finding the Fourth Proportional to 12,936.74, 17,835.86 and 9,754.65

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Solution

The fourth proportional to 12,936.74, 17,835.86 and 9,754.65 is: 13,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.74 : 17,835.86 = 9,754.65 : x
  2. Step 2: Convert to fraction form
    12,936.74/17,835.86 = 9,754.65/x
  3. Step 3: Cross multiply
    12,936.74x = 17,835.86 × 9,754.65
  4. Step 4: Simplify right side
    12,936.74x = 173,982,596.14
  5. Step 5: Solve for x
    x = 173,982,596.14/12,936.74
  6. Step 6: Final answer
    x = 13,448.73

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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.