Home / 13,536.99-18,677.24-8,085.42

Finding the Fourth Proportional to 13,536.99, 18,677.24 and 8,085.42

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Solution

The fourth proportional to 13,536.99, 18,677.24 and 8,085.42 is: 11,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.99 : 18,677.24 = 8,085.42 : x
  2. Step 2: Convert to fraction form
    13,536.99/18,677.24 = 8,085.42/x
  3. Step 3: Cross multiply
    13,536.99x = 18,677.24 × 8,085.42
  4. Step 4: Simplify right side
    13,536.99x = 151,013,319.73
  5. Step 5: Solve for x
    x = 151,013,319.73/13,536.99
  6. Step 6: Final answer
    x = 11,155.61

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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.