Home / 13,325.05-18,382.77-8,536.43

Finding the Fourth Proportional to 13,325.05, 18,382.77 and 8,536.43

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Solution

The fourth proportional to 13,325.05, 18,382.77 and 8,536.43 is: 11,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.05 : 18,382.77 = 8,536.43 : x
  2. Step 2: Convert to fraction form
    13,325.05/18,382.77 = 8,536.43/x
  3. Step 3: Cross multiply
    13,325.05x = 18,382.77 × 8,536.43
  4. Step 4: Simplify right side
    13,325.05x = 156,923,206.33
  5. Step 5: Solve for x
    x = 156,923,206.33/13,325.05
  6. Step 6: Final answer
    x = 11,776.56

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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.