Home / 18,099.40-27,149.12-7,004.56

Finding the Fourth Proportional to 18,099.40, 27,149.12 and 7,004.56

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Solution

The fourth proportional to 18,099.40, 27,149.12 and 7,004.56 is: 10,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.40 : 27,149.12 = 7,004.56 : x
  2. Step 2: Convert to fraction form
    18,099.40/27,149.12 = 7,004.56/x
  3. Step 3: Cross multiply
    18,099.40x = 27,149.12 × 7,004.56
  4. Step 4: Simplify right side
    18,099.40x = 190,167,639.99
  5. Step 5: Solve for x
    x = 190,167,639.99/18,099.40
  6. Step 6: Final answer
    x = 10,506.85

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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.