Home / 18,444.15-27,672.84-9,555.21

Finding the Fourth Proportional to 18,444.15, 27,672.84 and 9,555.21

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Solution

The fourth proportional to 18,444.15, 27,672.84 and 9,555.21 is: 14,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.15 : 27,672.84 = 9,555.21 : x
  2. Step 2: Convert to fraction form
    18,444.15/27,672.84 = 9,555.21/x
  3. Step 3: Cross multiply
    18,444.15x = 27,672.84 × 9,555.21
  4. Step 4: Simplify right side
    18,444.15x = 264,419,797.50
  5. Step 5: Solve for x
    x = 264,419,797.50/18,444.15
  6. Step 6: Final answer
    x = 14,336.24

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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.