Home / 18,299.10-27,455.22-7,199.64

Finding the Fourth Proportional to 18,299.10, 27,455.22 and 7,199.64

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Solution

The fourth proportional to 18,299.10, 27,455.22 and 7,199.64 is: 10,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.10 : 27,455.22 = 7,199.64 : x
  2. Step 2: Convert to fraction form
    18,299.10/27,455.22 = 7,199.64/x
  3. Step 3: Cross multiply
    18,299.10x = 27,455.22 × 7,199.64
  4. Step 4: Simplify right side
    18,299.10x = 197,667,700.12
  5. Step 5: Solve for x
    x = 197,667,700.12/18,299.10
  6. Step 6: Final answer
    x = 10,802.04

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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.