Home / 18,716.13-25,827.46-10,218.08

Finding the Fourth Proportional to 18,716.13, 25,827.46 and 10,218.08

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Solution

The fourth proportional to 18,716.13, 25,827.46 and 10,218.08 is: 14,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.13 : 25,827.46 = 10,218.08 : x
  2. Step 2: Convert to fraction form
    18,716.13/25,827.46 = 10,218.08/x
  3. Step 3: Cross multiply
    18,716.13x = 25,827.46 × 10,218.08
  4. Step 4: Simplify right side
    18,716.13x = 263,907,091.50
  5. Step 5: Solve for x
    x = 263,907,091.50/18,716.13
  6. Step 6: Final answer
    x = 14,100.52

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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.