Home / 12,537.56-18,807.24-4,217.54

Finding the Fourth Proportional to 12,537.56, 18,807.24 and 4,217.54

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Solution

The fourth proportional to 12,537.56, 18,807.24 and 4,217.54 is: 6,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.56 : 18,807.24 = 4,217.54 : x
  2. Step 2: Convert to fraction form
    12,537.56/18,807.24 = 4,217.54/x
  3. Step 3: Cross multiply
    12,537.56x = 18,807.24 × 4,217.54
  4. Step 4: Simplify right side
    12,537.56x = 79,320,192.95
  5. Step 5: Solve for x
    x = 79,320,192.95/12,537.56
  6. Step 6: Final answer
    x = 6,326.61

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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.