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Finding the Fourth Proportional to 11,495, 17,245.58 and 6,228.78

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Solution

The fourth proportional to 11,495, 17,245.58 and 6,228.78 is: 9,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495 : 17,245.58 = 6,228.78 : x
  2. Step 2: Convert to fraction form
    11,495/17,245.58 = 6,228.78/x
  3. Step 3: Cross multiply
    11,495x = 17,245.58 × 6,228.78
  4. Step 4: Simplify right side
    11,495x = 107,418,923.79
  5. Step 5: Solve for x
    x = 107,418,923.79/11,495
  6. Step 6: Final answer
    x = 9,344.84

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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.