Home / 11,263.78-16,892.34-4,238.70

Finding the Fourth Proportional to 11,263.78, 16,892.34 and 4,238.70

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Solution

The fourth proportional to 11,263.78, 16,892.34 and 4,238.70 is: 6,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.78 : 16,892.34 = 4,238.70 : x
  2. Step 2: Convert to fraction form
    11,263.78/16,892.34 = 4,238.70/x
  3. Step 3: Cross multiply
    11,263.78x = 16,892.34 × 4,238.70
  4. Step 4: Simplify right side
    11,263.78x = 71,601,561.56
  5. Step 5: Solve for x
    x = 71,601,561.56/11,263.78
  6. Step 6: Final answer
    x = 6,356.80

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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.