Home / 18,179.66-25,088.91-10,222.22

Finding the Fourth Proportional to 18,179.66, 25,088.91 and 10,222.22

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Solution

The fourth proportional to 18,179.66, 25,088.91 and 10,222.22 is: 14,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.66 : 25,088.91 = 10,222.22 : x
  2. Step 2: Convert to fraction form
    18,179.66/25,088.91 = 10,222.22/x
  3. Step 3: Cross multiply
    18,179.66x = 25,088.91 × 10,222.22
  4. Step 4: Simplify right side
    18,179.66x = 256,464,357.58
  5. Step 5: Solve for x
    x = 256,464,357.58/18,179.66
  6. Step 6: Final answer
    x = 14,107.21

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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.