Home / 11,349.30-17,006.60-4,771.88

Finding the Fourth Proportional to 11,349.30, 17,006.60 and 4,771.88

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Solution

The fourth proportional to 11,349.30, 17,006.60 and 4,771.88 is: 7,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.30 : 17,006.60 = 4,771.88 : x
  2. Step 2: Convert to fraction form
    11,349.30/17,006.60 = 4,771.88/x
  3. Step 3: Cross multiply
    11,349.30x = 17,006.60 × 4,771.88
  4. Step 4: Simplify right side
    11,349.30x = 81,153,454.41
  5. Step 5: Solve for x
    x = 81,153,454.41/11,349.30
  6. Step 6: Final answer
    x = 7,150.53

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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.