Home / 13,926.32-20,889.58-4,072.47

Finding the Fourth Proportional to 13,926.32, 20,889.58 and 4,072.47

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Solution

The fourth proportional to 13,926.32, 20,889.58 and 4,072.47 is: 6,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.32 : 20,889.58 = 4,072.47 : x
  2. Step 2: Convert to fraction form
    13,926.32/20,889.58 = 4,072.47/x
  3. Step 3: Cross multiply
    13,926.32x = 20,889.58 × 4,072.47
  4. Step 4: Simplify right side
    13,926.32x = 85,072,187.86
  5. Step 5: Solve for x
    x = 85,072,187.86/13,926.32
  6. Step 6: Final answer
    x = 6,108.73

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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.