Home / 11,833.28-16,324.32-10,490.24

Finding the Fourth Proportional to 11,833.28, 16,324.32 and 10,490.24

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Solution

The fourth proportional to 11,833.28, 16,324.32 and 10,490.24 is: 14,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.28 : 16,324.32 = 10,490.24 : x
  2. Step 2: Convert to fraction form
    11,833.28/16,324.32 = 10,490.24/x
  3. Step 3: Cross multiply
    11,833.28x = 16,324.32 × 10,490.24
  4. Step 4: Simplify right side
    11,833.28x = 171,246,034.64
  5. Step 5: Solve for x
    x = 171,246,034.64/11,833.28
  6. Step 6: Final answer
    x = 14,471.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.