Home / 12,936.41-17,849.26-9,356.61

Finding the Fourth Proportional to 12,936.41, 17,849.26 and 9,356.61

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Solution

The fourth proportional to 12,936.41, 17,849.26 and 9,356.61 is: 12,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.41 : 17,849.26 = 9,356.61 : x
  2. Step 2: Convert to fraction form
    12,936.41/17,849.26 = 9,356.61/x
  3. Step 3: Cross multiply
    12,936.41x = 17,849.26 × 9,356.61
  4. Step 4: Simplify right side
    12,936.41x = 167,008,643.24
  5. Step 5: Solve for x
    x = 167,008,643.24/12,936.41
  6. Step 6: Final answer
    x = 12,909.97

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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.