Home / 12,537.05-18,807.19-3,772.85

Finding the Fourth Proportional to 12,537.05, 18,807.19 and 3,772.85

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Solution

The fourth proportional to 12,537.05, 18,807.19 and 3,772.85 is: 5,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.05 : 18,807.19 = 3,772.85 : x
  2. Step 2: Convert to fraction form
    12,537.05/18,807.19 = 3,772.85/x
  3. Step 3: Cross multiply
    12,537.05x = 18,807.19 × 3,772.85
  4. Step 4: Simplify right side
    12,537.05x = 70,956,603.32
  5. Step 5: Solve for x
    x = 70,956,603.32/12,537.05
  6. Step 6: Final answer
    x = 5,659.76

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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.