Home / 12,536.34-18,805.75-4,640.96

Finding the Fourth Proportional to 12,536.34, 18,805.75 and 4,640.96

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Solution

The fourth proportional to 12,536.34, 18,805.75 and 4,640.96 is: 6,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.34 : 18,805.75 = 4,640.96 : x
  2. Step 2: Convert to fraction form
    12,536.34/18,805.75 = 4,640.96/x
  3. Step 3: Cross multiply
    12,536.34x = 18,805.75 × 4,640.96
  4. Step 4: Simplify right side
    12,536.34x = 87,276,733.52
  5. Step 5: Solve for x
    x = 87,276,733.52/12,536.34
  6. Step 6: Final answer
    x = 6,961.90

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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.