Home / 10,455.15-15,682.64-2,663.94

Finding the Fourth Proportional to 10,455.15, 15,682.64 and 2,663.94

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Solution

The fourth proportional to 10,455.15, 15,682.64 and 2,663.94 is: 3,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.15 : 15,682.64 = 2,663.94 : x
  2. Step 2: Convert to fraction form
    10,455.15/15,682.64 = 2,663.94/x
  3. Step 3: Cross multiply
    10,455.15x = 15,682.64 × 2,663.94
  4. Step 4: Simplify right side
    10,455.15x = 41,777,598.68
  5. Step 5: Solve for x
    x = 41,777,598.68/10,455.15
  6. Step 6: Final answer
    x = 3,995.89

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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.