Home / 18,455.75-25,468.96-10,072.25

Finding the Fourth Proportional to 18,455.75, 25,468.96 and 10,072.25

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Solution

The fourth proportional to 18,455.75, 25,468.96 and 10,072.25 is: 13,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.75 : 25,468.96 = 10,072.25 : x
  2. Step 2: Convert to fraction form
    18,455.75/25,468.96 = 10,072.25/x
  3. Step 3: Cross multiply
    18,455.75x = 25,468.96 × 10,072.25
  4. Step 4: Simplify right side
    18,455.75x = 256,529,732.36
  5. Step 5: Solve for x
    x = 256,529,732.36/18,455.75
  6. Step 6: Final answer
    x = 13,899.72

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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.