Home / 11,159.28-16,732.44-4,230

Finding the Fourth Proportional to 11,159.28, 16,732.44 and 4,230

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Solution

The fourth proportional to 11,159.28, 16,732.44 and 4,230 is: 6,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.28 : 16,732.44 = 4,230 : x
  2. Step 2: Convert to fraction form
    11,159.28/16,732.44 = 4,230/x
  3. Step 3: Cross multiply
    11,159.28x = 16,732.44 × 4,230
  4. Step 4: Simplify right side
    11,159.28x = 70,778,221.20
  5. Step 5: Solve for x
    x = 70,778,221.20/11,159.28
  6. Step 6: Final answer
    x = 6,342.54

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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.