Home / 12,384.38-18,576.63-3,150.38

Finding the Fourth Proportional to 12,384.38, 18,576.63 and 3,150.38

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Solution

The fourth proportional to 12,384.38, 18,576.63 and 3,150.38 is: 4,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.38 : 18,576.63 = 3,150.38 : x
  2. Step 2: Convert to fraction form
    12,384.38/18,576.63 = 3,150.38/x
  3. Step 3: Cross multiply
    12,384.38x = 18,576.63 × 3,150.38
  4. Step 4: Simplify right side
    12,384.38x = 58,523,350.74
  5. Step 5: Solve for x
    x = 58,523,350.74/12,384.38
  6. Step 6: Final answer
    x = 4,725.58

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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.