Home / 18,080.55-27,120.35-5,600.07

Finding the Fourth Proportional to 18,080.55, 27,120.35 and 5,600.07

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Solution

The fourth proportional to 18,080.55, 27,120.35 and 5,600.07 is: 8,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.55 : 27,120.35 = 5,600.07 : x
  2. Step 2: Convert to fraction form
    18,080.55/27,120.35 = 5,600.07/x
  3. Step 3: Cross multiply
    18,080.55x = 27,120.35 × 5,600.07
  4. Step 4: Simplify right side
    18,080.55x = 151,875,872.42
  5. Step 5: Solve for x
    x = 151,875,872.42/18,080.55
  6. Step 6: Final answer
    x = 8,399.96

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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.