Home / 18,571.49-25,630.40-10,612.17

Finding the Fourth Proportional to 18,571.49, 25,630.40 and 10,612.17

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Solution

The fourth proportional to 18,571.49, 25,630.40 and 10,612.17 is: 14,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.49 : 25,630.40 = 10,612.17 : x
  2. Step 2: Convert to fraction form
    18,571.49/25,630.40 = 10,612.17/x
  3. Step 3: Cross multiply
    18,571.49x = 25,630.40 × 10,612.17
  4. Step 4: Simplify right side
    18,571.49x = 271,994,161.97
  5. Step 5: Solve for x
    x = 271,994,161.97/18,571.49
  6. Step 6: Final answer
    x = 14,645.79

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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.