Home / 18,204.28-25,058.73-15,694.71

Finding the Fourth Proportional to 18,204.28, 25,058.73 and 15,694.71

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Solution

The fourth proportional to 18,204.28, 25,058.73 and 15,694.71 is: 21,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.28 : 25,058.73 = 15,694.71 : x
  2. Step 2: Convert to fraction form
    18,204.28/25,058.73 = 15,694.71/x
  3. Step 3: Cross multiply
    18,204.28x = 25,058.73 × 15,694.71
  4. Step 4: Simplify right side
    18,204.28x = 393,289,500.32
  5. Step 5: Solve for x
    x = 393,289,500.32/18,204.28
  6. Step 6: Final answer
    x = 21,604.23

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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.