Home / 12,581.94-18,873.09-4,791.18

Finding the Fourth Proportional to 12,581.94, 18,873.09 and 4,791.18

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Solution

The fourth proportional to 12,581.94, 18,873.09 and 4,791.18 is: 7,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.94 : 18,873.09 = 4,791.18 : x
  2. Step 2: Convert to fraction form
    12,581.94/18,873.09 = 4,791.18/x
  3. Step 3: Cross multiply
    12,581.94x = 18,873.09 × 4,791.18
  4. Step 4: Simplify right side
    12,581.94x = 90,424,371.35
  5. Step 5: Solve for x
    x = 90,424,371.35/12,581.94
  6. Step 6: Final answer
    x = 7,186.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.