Home / 18,936.53-28,422.42-9,583.20

Finding the Fourth Proportional to 18,936.53, 28,422.42 and 9,583.20

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Solution

The fourth proportional to 18,936.53, 28,422.42 and 9,583.20 is: 14,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.53 : 28,422.42 = 9,583.20 : x
  2. Step 2: Convert to fraction form
    18,936.53/28,422.42 = 9,583.20/x
  3. Step 3: Cross multiply
    18,936.53x = 28,422.42 × 9,583.20
  4. Step 4: Simplify right side
    18,936.53x = 272,377,735.34
  5. Step 5: Solve for x
    x = 272,377,735.34/18,936.53
  6. Step 6: Final answer
    x = 14,383.72

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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.