Home / 18,459.77-25,468.97-10,906.79

Finding the Fourth Proportional to 18,459.77, 25,468.97 and 10,906.79

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Solution

The fourth proportional to 18,459.77, 25,468.97 and 10,906.79 is: 15,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.77 : 25,468.97 = 10,906.79 : x
  2. Step 2: Convert to fraction form
    18,459.77/25,468.97 = 10,906.79/x
  3. Step 3: Cross multiply
    18,459.77x = 25,468.97 × 10,906.79
  4. Step 4: Simplify right side
    18,459.77x = 277,784,525.43
  5. Step 5: Solve for x
    x = 277,784,525.43/18,459.77
  6. Step 6: Final answer
    x = 15,048.11

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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.