Home / 11,129.42-16,695.75-3,338.84

Finding the Fourth Proportional to 11,129.42, 16,695.75 and 3,338.84

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Solution

The fourth proportional to 11,129.42, 16,695.75 and 3,338.84 is: 5,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.42 : 16,695.75 = 3,338.84 : x
  2. Step 2: Convert to fraction form
    11,129.42/16,695.75 = 3,338.84/x
  3. Step 3: Cross multiply
    11,129.42x = 16,695.75 × 3,338.84
  4. Step 4: Simplify right side
    11,129.42x = 55,744,354.45
  5. Step 5: Solve for x
    x = 55,744,354.45/11,129.42
  6. Step 6: Final answer
    x = 5,008.74

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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.