Home / 10,935.11-16,403.03-3,539.63

Finding the Fourth Proportional to 10,935.11, 16,403.03 and 3,539.63

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Solution

The fourth proportional to 10,935.11, 16,403.03 and 3,539.63 is: 5,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.11 : 16,403.03 = 3,539.63 : x
  2. Step 2: Convert to fraction form
    10,935.11/16,403.03 = 3,539.63/x
  3. Step 3: Cross multiply
    10,935.11x = 16,403.03 × 3,539.63
  4. Step 4: Simplify right side
    10,935.11x = 58,060,557.37
  5. Step 5: Solve for x
    x = 58,060,557.37/10,935.11
  6. Step 6: Final answer
    x = 5,309.56

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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.