Home / 18,621.92-25,698.36-10,238.48

Finding the Fourth Proportional to 18,621.92, 25,698.36 and 10,238.48

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Solution

The fourth proportional to 18,621.92, 25,698.36 and 10,238.48 is: 14,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.92 : 25,698.36 = 10,238.48 : x
  2. Step 2: Convert to fraction form
    18,621.92/25,698.36 = 10,238.48/x
  3. Step 3: Cross multiply
    18,621.92x = 25,698.36 × 10,238.48
  4. Step 4: Simplify right side
    18,621.92x = 263,112,144.89
  5. Step 5: Solve for x
    x = 263,112,144.89/18,621.92
  6. Step 6: Final answer
    x = 14,129.16

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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.