Home / 18,456.16-25,469.58-10,072.84

Finding the Fourth Proportional to 18,456.16, 25,469.58 and 10,072.84

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Solution

The fourth proportional to 18,456.16, 25,469.58 and 10,072.84 is: 13,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.16 : 25,469.58 = 10,072.84 : x
  2. Step 2: Convert to fraction form
    18,456.16/25,469.58 = 10,072.84/x
  3. Step 3: Cross multiply
    18,456.16x = 25,469.58 × 10,072.84
  4. Step 4: Simplify right side
    18,456.16x = 256,551,004.21
  5. Step 5: Solve for x
    x = 256,551,004.21/18,456.16
  6. Step 6: Final answer
    x = 13,900.56

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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.