Home / 18,966.64-26,169.48-11,004.24

Finding the Fourth Proportional to 18,966.64, 26,169.48 and 11,004.24

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Solution

The fourth proportional to 18,966.64, 26,169.48 and 11,004.24 is: 15,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.64 : 26,169.48 = 11,004.24 : x
  2. Step 2: Convert to fraction form
    18,966.64/26,169.48 = 11,004.24/x
  3. Step 3: Cross multiply
    18,966.64x = 26,169.48 × 11,004.24
  4. Step 4: Simplify right side
    18,966.64x = 287,975,238.60
  5. Step 5: Solve for x
    x = 287,975,238.60/18,966.64
  6. Step 6: Final answer
    x = 15,183.25

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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.