Home / 13,800.08-18,994.56-11,536.94

Finding the Fourth Proportional to 13,800.08, 18,994.56 and 11,536.94

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Solution

The fourth proportional to 13,800.08, 18,994.56 and 11,536.94 is: 15,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.08 : 18,994.56 = 11,536.94 : x
  2. Step 2: Convert to fraction form
    13,800.08/18,994.56 = 11,536.94/x
  3. Step 3: Cross multiply
    13,800.08x = 18,994.56 × 11,536.94
  4. Step 4: Simplify right side
    13,800.08x = 219,139,099.05
  5. Step 5: Solve for x
    x = 219,139,099.05/13,800.08
  6. Step 6: Final answer
    x = 15,879.55

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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.