Home / 10,643.24-15,965.69-3,247.76

Finding the Fourth Proportional to 10,643.24, 15,965.69 and 3,247.76

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Solution

The fourth proportional to 10,643.24, 15,965.69 and 3,247.76 is: 4,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.24 : 15,965.69 = 3,247.76 : x
  2. Step 2: Convert to fraction form
    10,643.24/15,965.69 = 3,247.76/x
  3. Step 3: Cross multiply
    10,643.24x = 15,965.69 × 3,247.76
  4. Step 4: Simplify right side
    10,643.24x = 51,852,777.39
  5. Step 5: Solve for x
    x = 51,852,777.39/10,643.24
  6. Step 6: Final answer
    x = 4,871.90

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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.