Home / 10,165.86-15,255.24-4,322.46

Finding the Fourth Proportional to 10,165.86, 15,255.24 and 4,322.46

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Solution

The fourth proportional to 10,165.86, 15,255.24 and 4,322.46 is: 6,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.86 : 15,255.24 = 4,322.46 : x
  2. Step 2: Convert to fraction form
    10,165.86/15,255.24 = 4,322.46/x
  3. Step 3: Cross multiply
    10,165.86x = 15,255.24 × 4,322.46
  4. Step 4: Simplify right side
    10,165.86x = 65,940,164.69
  5. Step 5: Solve for x
    x = 65,940,164.69/10,165.86
  6. Step 6: Final answer
    x = 6,486.43

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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.