Home / 18,571.45-25,630.36-10,612.14

Finding the Fourth Proportional to 18,571.45, 25,630.36 and 10,612.14

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Solution

The fourth proportional to 18,571.45, 25,630.36 and 10,612.14 is: 14,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.45 : 25,630.36 = 10,612.14 : x
  2. Step 2: Convert to fraction form
    18,571.45/25,630.36 = 10,612.14/x
  3. Step 3: Cross multiply
    18,571.45x = 25,630.36 × 10,612.14
  4. Step 4: Simplify right side
    18,571.45x = 271,992,968.57
  5. Step 5: Solve for x
    x = 271,992,968.57/18,571.45
  6. Step 6: Final answer
    x = 14,645.76

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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.