Home / 18,226.80-25,153.50-10,268.58

Finding the Fourth Proportional to 18,226.80, 25,153.50 and 10,268.58

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Solution

The fourth proportional to 18,226.80, 25,153.50 and 10,268.58 is: 14,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.80 : 25,153.50 = 10,268.58 : x
  2. Step 2: Convert to fraction form
    18,226.80/25,153.50 = 10,268.58/x
  3. Step 3: Cross multiply
    18,226.80x = 25,153.50 × 10,268.58
  4. Step 4: Simplify right side
    18,226.80x = 258,290,727.03
  5. Step 5: Solve for x
    x = 258,290,727.03/18,226.80
  6. Step 6: Final answer
    x = 14,170.93

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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.