Home / 18,783.36-25,921.62-10,825.92

Finding the Fourth Proportional to 18,783.36, 25,921.62 and 10,825.92

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Solution

The fourth proportional to 18,783.36, 25,921.62 and 10,825.92 is: 14,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.36 : 25,921.62 = 10,825.92 : x
  2. Step 2: Convert to fraction form
    18,783.36/25,921.62 = 10,825.92/x
  3. Step 3: Cross multiply
    18,783.36x = 25,921.62 × 10,825.92
  4. Step 4: Simplify right side
    18,783.36x = 280,625,384.39
  5. Step 5: Solve for x
    x = 280,625,384.39/18,783.36
  6. Step 6: Final answer
    x = 14,940.11

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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.