Home / 10,456.08-15,683.88-2,664.92

Finding the Fourth Proportional to 10,456.08, 15,683.88 and 2,664.92

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Solution

The fourth proportional to 10,456.08, 15,683.88 and 2,664.92 is: 3,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.08 : 15,683.88 = 2,664.92 : x
  2. Step 2: Convert to fraction form
    10,456.08/15,683.88 = 2,664.92/x
  3. Step 3: Cross multiply
    10,456.08x = 15,683.88 × 2,664.92
  4. Step 4: Simplify right side
    10,456.08x = 41,796,285.49
  5. Step 5: Solve for x
    x = 41,796,285.49/10,456.08
  6. Step 6: Final answer
    x = 3,997.32

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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.