Home / 10,933.24-16,389.24-4,359.28

Finding the Fourth Proportional to 10,933.24, 16,389.24 and 4,359.28

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Solution

The fourth proportional to 10,933.24, 16,389.24 and 4,359.28 is: 6,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.24 : 16,389.24 = 4,359.28 : x
  2. Step 2: Convert to fraction form
    10,933.24/16,389.24 = 4,359.28/x
  3. Step 3: Cross multiply
    10,933.24x = 16,389.24 × 4,359.28
  4. Step 4: Simplify right side
    10,933.24x = 71,445,286.15
  5. Step 5: Solve for x
    x = 71,445,286.15/10,933.24
  6. Step 6: Final answer
    x = 6,534.69

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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.