Home / 18,621.84-25,698.06-10,238.16

Finding the Fourth Proportional to 18,621.84, 25,698.06 and 10,238.16

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Solution

The fourth proportional to 18,621.84, 25,698.06 and 10,238.16 is: 14,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.84 : 25,698.06 = 10,238.16 : x
  2. Step 2: Convert to fraction form
    18,621.84/25,698.06 = 10,238.16/x
  3. Step 3: Cross multiply
    18,621.84x = 25,698.06 × 10,238.16
  4. Step 4: Simplify right side
    18,621.84x = 263,100,849.97
  5. Step 5: Solve for x
    x = 263,100,849.97/18,621.84
  6. Step 6: Final answer
    x = 14,128.62

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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.