Home / 11,129.48-16,698.54-4,558.76

Finding the Fourth Proportional to 11,129.48, 16,698.54 and 4,558.76

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Solution

The fourth proportional to 11,129.48, 16,698.54 and 4,558.76 is: 6,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.48 : 16,698.54 = 4,558.76 : x
  2. Step 2: Convert to fraction form
    11,129.48/16,698.54 = 4,558.76/x
  3. Step 3: Cross multiply
    11,129.48x = 16,698.54 × 4,558.76
  4. Step 4: Simplify right side
    11,129.48x = 76,124,636.21
  5. Step 5: Solve for x
    x = 76,124,636.21/11,129.48
  6. Step 6: Final answer
    x = 6,839.91

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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.