Home / 10,501.34-15,755.35-3,105.84

Finding the Fourth Proportional to 10,501.34, 15,755.35 and 3,105.84

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Solution

The fourth proportional to 10,501.34, 15,755.35 and 3,105.84 is: 4,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.34 : 15,755.35 = 3,105.84 : x
  2. Step 2: Convert to fraction form
    10,501.34/15,755.35 = 3,105.84/x
  3. Step 3: Cross multiply
    10,501.34x = 15,755.35 × 3,105.84
  4. Step 4: Simplify right side
    10,501.34x = 48,933,596.24
  5. Step 5: Solve for x
    x = 48,933,596.24/10,501.34
  6. Step 6: Final answer
    x = 4,659.75

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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.