Home / 11,464.62-15,785.88-10,040.10

Finding the Fourth Proportional to 11,464.62, 15,785.88 and 10,040.10

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Solution

The fourth proportional to 11,464.62, 15,785.88 and 10,040.10 is: 13,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.62 : 15,785.88 = 10,040.10 : x
  2. Step 2: Convert to fraction form
    11,464.62/15,785.88 = 10,040.10/x
  3. Step 3: Cross multiply
    11,464.62x = 15,785.88 × 10,040.10
  4. Step 4: Simplify right side
    11,464.62x = 158,491,813.79
  5. Step 5: Solve for x
    x = 158,491,813.79/11,464.62
  6. Step 6: Final answer
    x = 13,824.43

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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.