Home / 11,502.76-15,873.64-6,398.60

Finding the Fourth Proportional to 11,502.76, 15,873.64 and 6,398.60

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Solution

The fourth proportional to 11,502.76, 15,873.64 and 6,398.60 is: 8,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.76 : 15,873.64 = 6,398.60 : x
  2. Step 2: Convert to fraction form
    11,502.76/15,873.64 = 6,398.60/x
  3. Step 3: Cross multiply
    11,502.76x = 15,873.64 × 6,398.60
  4. Step 4: Simplify right side
    11,502.76x = 101,569,072.90
  5. Step 5: Solve for x
    x = 101,569,072.90/11,502.76
  6. Step 6: Final answer
    x = 8,829.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.