Home / 13,410.02-20,110.68-12,536.44

Finding the Fourth Proportional to 13,410.02, 20,110.68 and 12,536.44

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Solution

The fourth proportional to 13,410.02, 20,110.68 and 12,536.44 is: 18,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.02 : 20,110.68 = 12,536.44 : x
  2. Step 2: Convert to fraction form
    13,410.02/20,110.68 = 12,536.44/x
  3. Step 3: Cross multiply
    13,410.02x = 20,110.68 × 12,536.44
  4. Step 4: Simplify right side
    13,410.02x = 252,116,282.90
  5. Step 5: Solve for x
    x = 252,116,282.90/13,410.02
  6. Step 6: Final answer
    x = 18,800.59

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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.