Home / 18,226.72-25,152.42-10,268.47

Finding the Fourth Proportional to 18,226.72, 25,152.42 and 10,268.47

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Solution

The fourth proportional to 18,226.72, 25,152.42 and 10,268.47 is: 14,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.72 : 25,152.42 = 10,268.47 : x
  2. Step 2: Convert to fraction form
    18,226.72/25,152.42 = 10,268.47/x
  3. Step 3: Cross multiply
    18,226.72x = 25,152.42 × 10,268.47
  4. Step 4: Simplify right side
    18,226.72x = 258,276,870.20
  5. Step 5: Solve for x
    x = 258,276,870.20/18,226.72
  6. Step 6: Final answer
    x = 14,170.23

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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.