Home / 11,530.40-17,298.08-3,738.72

Finding the Fourth Proportional to 11,530.40, 17,298.08 and 3,738.72

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Solution

The fourth proportional to 11,530.40, 17,298.08 and 3,738.72 is: 5,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.40 : 17,298.08 = 3,738.72 : x
  2. Step 2: Convert to fraction form
    11,530.40/17,298.08 = 3,738.72/x
  3. Step 3: Cross multiply
    11,530.40x = 17,298.08 × 3,738.72
  4. Step 4: Simplify right side
    11,530.40x = 64,672,677.66
  5. Step 5: Solve for x
    x = 64,672,677.66/11,530.40
  6. Step 6: Final answer
    x = 5,608.88

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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.