Home / 10,659.39-15,989.21-3,263.92

Finding the Fourth Proportional to 10,659.39, 15,989.21 and 3,263.92

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Solution

The fourth proportional to 10,659.39, 15,989.21 and 3,263.92 is: 4,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.39 : 15,989.21 = 3,263.92 : x
  2. Step 2: Convert to fraction form
    10,659.39/15,989.21 = 3,263.92/x
  3. Step 3: Cross multiply
    10,659.39x = 15,989.21 × 3,263.92
  4. Step 4: Simplify right side
    10,659.39x = 52,187,502.30
  5. Step 5: Solve for x
    x = 52,187,502.30/10,659.39
  6. Step 6: Final answer
    x = 4,895.92

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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.