Home / 10,322.68-15,485.64-3,395.56

Finding the Fourth Proportional to 10,322.68, 15,485.64 and 3,395.56

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Solution

The fourth proportional to 10,322.68, 15,485.64 and 3,395.56 is: 5,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.68 : 15,485.64 = 3,395.56 : x
  2. Step 2: Convert to fraction form
    10,322.68/15,485.64 = 3,395.56/x
  3. Step 3: Cross multiply
    10,322.68x = 15,485.64 × 3,395.56
  4. Step 4: Simplify right side
    10,322.68x = 52,582,419.76
  5. Step 5: Solve for x
    x = 52,582,419.76/10,322.68
  6. Step 6: Final answer
    x = 5,093.87

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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.