Home / 11,128.54-16,698.56-4,892.92

Finding the Fourth Proportional to 11,128.54, 16,698.56 and 4,892.92

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Solution

The fourth proportional to 11,128.54, 16,698.56 and 4,892.92 is: 7,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.54 : 16,698.56 = 4,892.92 : x
  2. Step 2: Convert to fraction form
    11,128.54/16,698.56 = 4,892.92/x
  3. Step 3: Cross multiply
    11,128.54x = 16,698.56 × 4,892.92
  4. Step 4: Simplify right side
    11,128.54x = 81,704,718.20
  5. Step 5: Solve for x
    x = 81,704,718.20/11,128.54
  6. Step 6: Final answer
    x = 7,341.91

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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.