Home / 18,560.42-27,837.68-5,409.72

Finding the Fourth Proportional to 18,560.42, 27,837.68 and 5,409.72

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Solution

The fourth proportional to 18,560.42, 27,837.68 and 5,409.72 is: 8,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.42 : 27,837.68 = 5,409.72 : x
  2. Step 2: Convert to fraction form
    18,560.42/27,837.68 = 5,409.72/x
  3. Step 3: Cross multiply
    18,560.42x = 27,837.68 × 5,409.72
  4. Step 4: Simplify right side
    18,560.42x = 150,594,027.20
  5. Step 5: Solve for x
    x = 150,594,027.20/18,560.42
  6. Step 6: Final answer
    x = 8,113.72

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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.