Home / 18,973.12-26,183.92-11,017.84

Finding the Fourth Proportional to 18,973.12, 26,183.92 and 11,017.84

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Solution

The fourth proportional to 18,973.12, 26,183.92 and 11,017.84 is: 15,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.12 : 26,183.92 = 11,017.84 : x
  2. Step 2: Convert to fraction form
    18,973.12/26,183.92 = 11,017.84/x
  3. Step 3: Cross multiply
    18,973.12x = 26,183.92 × 11,017.84
  4. Step 4: Simplify right side
    18,973.12x = 288,490,241.13
  5. Step 5: Solve for x
    x = 288,490,241.13/18,973.12
  6. Step 6: Final answer
    x = 15,205.21

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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.