Home / 11,113.86-16,672.17-3,723.63

Finding the Fourth Proportional to 11,113.86, 16,672.17 and 3,723.63

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Solution

The fourth proportional to 11,113.86, 16,672.17 and 3,723.63 is: 5,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.86 : 16,672.17 = 3,723.63 : x
  2. Step 2: Convert to fraction form
    11,113.86/16,672.17 = 3,723.63/x
  3. Step 3: Cross multiply
    11,113.86x = 16,672.17 × 3,723.63
  4. Step 4: Simplify right side
    11,113.86x = 62,080,992.38
  5. Step 5: Solve for x
    x = 62,080,992.38/11,113.86
  6. Step 6: Final answer
    x = 5,585.91

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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.