Home / 11,306.86-16,961.74-4,190.13

Finding the Fourth Proportional to 11,306.86, 16,961.74 and 4,190.13

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Solution

The fourth proportional to 11,306.86, 16,961.74 and 4,190.13 is: 6,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.86 : 16,961.74 = 4,190.13 : x
  2. Step 2: Convert to fraction form
    11,306.86/16,961.74 = 4,190.13/x
  3. Step 3: Cross multiply
    11,306.86x = 16,961.74 × 4,190.13
  4. Step 4: Simplify right side
    11,306.86x = 71,071,885.15
  5. Step 5: Solve for x
    x = 71,071,885.15/11,306.86
  6. Step 6: Final answer
    x = 6,285.73

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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.