Home / 18,341.30-25,310.58-10,786.16

Finding the Fourth Proportional to 18,341.30, 25,310.58 and 10,786.16

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Solution

The fourth proportional to 18,341.30, 25,310.58 and 10,786.16 is: 14,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.30 : 25,310.58 = 10,786.16 : x
  2. Step 2: Convert to fraction form
    18,341.30/25,310.58 = 10,786.16/x
  3. Step 3: Cross multiply
    18,341.30x = 25,310.58 × 10,786.16
  4. Step 4: Simplify right side
    18,341.30x = 273,003,965.57
  5. Step 5: Solve for x
    x = 273,003,965.57/18,341.30
  6. Step 6: Final answer
    x = 14,884.66

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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.