Home / 11,125.34-16,682.61-4,200.38

Finding the Fourth Proportional to 11,125.34, 16,682.61 and 4,200.38

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Solution

The fourth proportional to 11,125.34, 16,682.61 and 4,200.38 is: 6,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.34 : 16,682.61 = 4,200.38 : x
  2. Step 2: Convert to fraction form
    11,125.34/16,682.61 = 4,200.38/x
  3. Step 3: Cross multiply
    11,125.34x = 16,682.61 × 4,200.38
  4. Step 4: Simplify right side
    11,125.34x = 70,073,301.39
  5. Step 5: Solve for x
    x = 70,073,301.39/11,125.34
  6. Step 6: Final answer
    x = 6,298.53

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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.