Home / 18,180.62-25,088.97-10,222.84

Finding the Fourth Proportional to 18,180.62, 25,088.97 and 10,222.84

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Solution

The fourth proportional to 18,180.62, 25,088.97 and 10,222.84 is: 14,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.62 : 25,088.97 = 10,222.84 : x
  2. Step 2: Convert to fraction form
    18,180.62/25,088.97 = 10,222.84/x
  3. Step 3: Cross multiply
    18,180.62x = 25,088.97 × 10,222.84
  4. Step 4: Simplify right side
    18,180.62x = 256,480,595.77
  5. Step 5: Solve for x
    x = 256,480,595.77/18,180.62
  6. Step 6: Final answer
    x = 14,107.36

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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.