Home / 11,131.80-16,697.70-4,555.80

Finding the Fourth Proportional to 11,131.80, 16,697.70 and 4,555.80

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Solution

The fourth proportional to 11,131.80, 16,697.70 and 4,555.80 is: 6,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.80 : 16,697.70 = 4,555.80 : x
  2. Step 2: Convert to fraction form
    11,131.80/16,697.70 = 4,555.80/x
  3. Step 3: Cross multiply
    11,131.80x = 16,697.70 × 4,555.80
  4. Step 4: Simplify right side
    11,131.80x = 76,071,381.66
  5. Step 5: Solve for x
    x = 76,071,381.66/11,131.80
  6. Step 6: Final answer
    x = 6,833.70

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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.