Home / 13,014.08-19,519.04-3,777.92

Finding the Fourth Proportional to 13,014.08, 19,519.04 and 3,777.92

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Solution

The fourth proportional to 13,014.08, 19,519.04 and 3,777.92 is: 5,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.08 : 19,519.04 = 3,777.92 : x
  2. Step 2: Convert to fraction form
    13,014.08/19,519.04 = 3,777.92/x
  3. Step 3: Cross multiply
    13,014.08x = 19,519.04 × 3,777.92
  4. Step 4: Simplify right side
    13,014.08x = 73,741,371.60
  5. Step 5: Solve for x
    x = 73,741,371.60/13,014.08
  6. Step 6: Final answer
    x = 5,666.28

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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.