Home / 11,885.04-17,826.24-3,120.96

Finding the Fourth Proportional to 11,885.04, 17,826.24 and 3,120.96

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Solution

The fourth proportional to 11,885.04, 17,826.24 and 3,120.96 is: 4,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.04 : 17,826.24 = 3,120.96 : x
  2. Step 2: Convert to fraction form
    11,885.04/17,826.24 = 3,120.96/x
  3. Step 3: Cross multiply
    11,885.04x = 17,826.24 × 3,120.96
  4. Step 4: Simplify right side
    11,885.04x = 55,634,981.99
  5. Step 5: Solve for x
    x = 55,634,981.99/11,885.04
  6. Step 6: Final answer
    x = 4,681.09

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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.