Home / 18,787.23-28,182.73-6,944.12

Finding the Fourth Proportional to 18,787.23, 28,182.73 and 6,944.12

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Solution

The fourth proportional to 18,787.23, 28,182.73 and 6,944.12 is: 10,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.23 : 28,182.73 = 6,944.12 : x
  2. Step 2: Convert to fraction form
    18,787.23/28,182.73 = 6,944.12/x
  3. Step 3: Cross multiply
    18,787.23x = 28,182.73 × 6,944.12
  4. Step 4: Simplify right side
    18,787.23x = 195,704,259.05
  5. Step 5: Solve for x
    x = 195,704,259.05/18,787.23
  6. Step 6: Final answer
    x = 10,416.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.