Home / 15,383.20-23,072.64-4,993.60

Finding the Fourth Proportional to 15,383.20, 23,072.64 and 4,993.60

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Solution

The fourth proportional to 15,383.20, 23,072.64 and 4,993.60 is: 7,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.20 : 23,072.64 = 4,993.60 : x
  2. Step 2: Convert to fraction form
    15,383.20/23,072.64 = 4,993.60/x
  3. Step 3: Cross multiply
    15,383.20x = 23,072.64 × 4,993.60
  4. Step 4: Simplify right side
    15,383.20x = 115,215,535.10
  5. Step 5: Solve for x
    x = 115,215,535.10/15,383.20
  6. Step 6: Final answer
    x = 7,489.70

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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.