Home / 17,983.88-24,817.21-9,917.53

Finding the Fourth Proportional to 17,983.88, 24,817.21 and 9,917.53

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Solution

The fourth proportional to 17,983.88, 24,817.21 and 9,917.53 is: 13,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.88 : 24,817.21 = 9,917.53 : x
  2. Step 2: Convert to fraction form
    17,983.88/24,817.21 = 9,917.53/x
  3. Step 3: Cross multiply
    17,983.88x = 24,817.21 × 9,917.53
  4. Step 4: Simplify right side
    17,983.88x = 246,125,282.04
  5. Step 5: Solve for x
    x = 246,125,282.04/17,983.88
  6. Step 6: Final answer
    x = 13,685.89

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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.