Home / 11,631.86-17,445.03-4,134.80

Finding the Fourth Proportional to 11,631.86, 17,445.03 and 4,134.80

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Solution

The fourth proportional to 11,631.86, 17,445.03 and 4,134.80 is: 6,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.86 : 17,445.03 = 4,134.80 : x
  2. Step 2: Convert to fraction form
    11,631.86/17,445.03 = 4,134.80/x
  3. Step 3: Cross multiply
    11,631.86x = 17,445.03 × 4,134.80
  4. Step 4: Simplify right side
    11,631.86x = 72,131,710.04
  5. Step 5: Solve for x
    x = 72,131,710.04/11,631.86
  6. Step 6: Final answer
    x = 6,201.22

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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.