Home / 12,359.88-18,536.94-5,790.60

Finding the Fourth Proportional to 12,359.88, 18,536.94 and 5,790.60

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Solution

The fourth proportional to 12,359.88, 18,536.94 and 5,790.60 is: 8,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.88 : 18,536.94 = 5,790.60 : x
  2. Step 2: Convert to fraction form
    12,359.88/18,536.94 = 5,790.60/x
  3. Step 3: Cross multiply
    12,359.88x = 18,536.94 × 5,790.60
  4. Step 4: Simplify right side
    12,359.88x = 107,340,004.76
  5. Step 5: Solve for x
    x = 107,340,004.76/12,359.88
  6. Step 6: Final answer
    x = 8,684.55

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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.