Home / 10,305.82-15,457.35-2,910.86

Finding the Fourth Proportional to 10,305.82, 15,457.35 and 2,910.86

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Solution

The fourth proportional to 10,305.82, 15,457.35 and 2,910.86 is: 4,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.82 : 15,457.35 = 2,910.86 : x
  2. Step 2: Convert to fraction form
    10,305.82/15,457.35 = 2,910.86/x
  3. Step 3: Cross multiply
    10,305.82x = 15,457.35 × 2,910.86
  4. Step 4: Simplify right side
    10,305.82x = 44,994,181.82
  5. Step 5: Solve for x
    x = 44,994,181.82/10,305.82
  6. Step 6: Final answer
    x = 4,365.90

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1.5x scale

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.