Home / 12,458.24-18,690.24-3,695.84

Finding the Fourth Proportional to 12,458.24, 18,690.24 and 3,695.84

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Solution

The fourth proportional to 12,458.24, 18,690.24 and 3,695.84 is: 5,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.24 : 18,690.24 = 3,695.84 : x
  2. Step 2: Convert to fraction form
    12,458.24/18,690.24 = 3,695.84/x
  3. Step 3: Cross multiply
    12,458.24x = 18,690.24 × 3,695.84
  4. Step 4: Simplify right side
    12,458.24x = 69,076,136.60
  5. Step 5: Solve for x
    x = 69,076,136.60/12,458.24
  6. Step 6: Final answer
    x = 5,544.61

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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.