Home / 12,580.52-18,866.46-4,791.56

Finding the Fourth Proportional to 12,580.52, 18,866.46 and 4,791.56

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Solution

The fourth proportional to 12,580.52, 18,866.46 and 4,791.56 is: 7,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580.52 : 18,866.46 = 4,791.56 : x
  2. Step 2: Convert to fraction form
    12,580.52/18,866.46 = 4,791.56/x
  3. Step 3: Cross multiply
    12,580.52x = 18,866.46 × 4,791.56
  4. Step 4: Simplify right side
    12,580.52x = 90,399,775.08
  5. Step 5: Solve for x
    x = 90,399,775.08/12,580.52
  6. Step 6: Final answer
    x = 7,185.69

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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.