Home / 17,983.40-24,812.82-10,909.64

Finding the Fourth Proportional to 17,983.40, 24,812.82 and 10,909.64

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Solution

The fourth proportional to 17,983.40, 24,812.82 and 10,909.64 is: 15,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.40 : 24,812.82 = 10,909.64 : x
  2. Step 2: Convert to fraction form
    17,983.40/24,812.82 = 10,909.64/x
  3. Step 3: Cross multiply
    17,983.40x = 24,812.82 × 10,909.64
  4. Step 4: Simplify right side
    17,983.40x = 270,698,933.58
  5. Step 5: Solve for x
    x = 270,698,933.58/17,983.40
  6. Step 6: Final answer
    x = 15,052.71

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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.