Home / 13,199.01-18,214.64-7,893.83

Finding the Fourth Proportional to 13,199.01, 18,214.64 and 7,893.83

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Solution

The fourth proportional to 13,199.01, 18,214.64 and 7,893.83 is: 10,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.01 : 18,214.64 = 7,893.83 : x
  2. Step 2: Convert to fraction form
    13,199.01/18,214.64 = 7,893.83/x
  3. Step 3: Cross multiply
    13,199.01x = 18,214.64 × 7,893.83
  4. Step 4: Simplify right side
    13,199.01x = 143,783,219.30
  5. Step 5: Solve for x
    x = 143,783,219.30/13,199.01
  6. Step 6: Final answer
    x = 10,893.48

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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.