Home / 11,321.03-16,981.76-3,925.73

Finding the Fourth Proportional to 11,321.03, 16,981.76 and 3,925.73

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Solution

The fourth proportional to 11,321.03, 16,981.76 and 3,925.73 is: 5,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.03 : 16,981.76 = 3,925.73 : x
  2. Step 2: Convert to fraction form
    11,321.03/16,981.76 = 3,925.73/x
  3. Step 3: Cross multiply
    11,321.03x = 16,981.76 × 3,925.73
  4. Step 4: Simplify right side
    11,321.03x = 66,665,700.15
  5. Step 5: Solve for x
    x = 66,665,700.15/11,321.03
  6. Step 6: Final answer
    x = 5,888.66

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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.