Home / 12,284.64-18,424.44-3,517.92

Finding the Fourth Proportional to 12,284.64, 18,424.44 and 3,517.92

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Solution

The fourth proportional to 12,284.64, 18,424.44 and 3,517.92 is: 5,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.64 : 18,424.44 = 3,517.92 : x
  2. Step 2: Convert to fraction form
    12,284.64/18,424.44 = 3,517.92/x
  3. Step 3: Cross multiply
    12,284.64x = 18,424.44 × 3,517.92
  4. Step 4: Simplify right side
    12,284.64x = 64,815,705.96
  5. Step 5: Solve for x
    x = 64,815,705.96/12,284.64
  6. Step 6: Final answer
    x = 5,276.16

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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.