Home / 18,226.95-25,153.50-11,939.32

Finding the Fourth Proportional to 18,226.95, 25,153.50 and 11,939.32

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Solution

The fourth proportional to 18,226.95, 25,153.50 and 11,939.32 is: 16,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.95 : 25,153.50 = 11,939.32 : x
  2. Step 2: Convert to fraction form
    18,226.95/25,153.50 = 11,939.32/x
  3. Step 3: Cross multiply
    18,226.95x = 25,153.50 × 11,939.32
  4. Step 4: Simplify right side
    18,226.95x = 300,315,685.62
  5. Step 5: Solve for x
    x = 300,315,685.62/18,226.95
  6. Step 6: Final answer
    x = 16,476.46

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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.