Home / 13,240.64-19,882.92-11,066.24

Finding the Fourth Proportional to 13,240.64, 19,882.92 and 11,066.24

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Solution

The fourth proportional to 13,240.64, 19,882.92 and 11,066.24 is: 16,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.64 : 19,882.92 = 11,066.24 : x
  2. Step 2: Convert to fraction form
    13,240.64/19,882.92 = 11,066.24/x
  3. Step 3: Cross multiply
    13,240.64x = 19,882.92 × 11,066.24
  4. Step 4: Simplify right side
    13,240.64x = 220,029,164.62
  5. Step 5: Solve for x
    x = 220,029,164.62/13,240.64
  6. Step 6: Final answer
    x = 16,617.71

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1.5x scale

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.