Home / 18,120.33-25,007.09-10,161.93

Finding the Fourth Proportional to 18,120.33, 25,007.09 and 10,161.93

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Solution

The fourth proportional to 18,120.33, 25,007.09 and 10,161.93 is: 14,024.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.33 : 25,007.09 = 10,161.93 : x
  2. Step 2: Convert to fraction form
    18,120.33/25,007.09 = 10,161.93/x
  3. Step 3: Cross multiply
    18,120.33x = 25,007.09 × 10,161.93
  4. Step 4: Simplify right side
    18,120.33x = 254,120,298.08
  5. Step 5: Solve for x
    x = 254,120,298.08/18,120.33
  6. Step 6: Final answer
    x = 14,024.04

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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.