Home / 12,652.43-18,976.69-4,330.53

Finding the Fourth Proportional to 12,652.43, 18,976.69 and 4,330.53

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Solution

The fourth proportional to 12,652.43, 18,976.69 and 4,330.53 is: 6,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.43 : 18,976.69 = 4,330.53 : x
  2. Step 2: Convert to fraction form
    12,652.43/18,976.69 = 4,330.53/x
  3. Step 3: Cross multiply
    12,652.43x = 18,976.69 × 4,330.53
  4. Step 4: Simplify right side
    12,652.43x = 82,179,125.35
  5. Step 5: Solve for x
    x = 82,179,125.35/12,652.43
  6. Step 6: Final answer
    x = 6,495.13

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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.