Home / 12,276.34-18,414.93-3,392.32

Finding the Fourth Proportional to 12,276.34, 18,414.93 and 3,392.32

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Solution

The fourth proportional to 12,276.34, 18,414.93 and 3,392.32 is: 5,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.34 : 18,414.93 = 3,392.32 : x
  2. Step 2: Convert to fraction form
    12,276.34/18,414.93 = 3,392.32/x
  3. Step 3: Cross multiply
    12,276.34x = 18,414.93 × 3,392.32
  4. Step 4: Simplify right side
    12,276.34x = 62,469,335.34
  5. Step 5: Solve for x
    x = 62,469,335.34/12,276.34
  6. Step 6: Final answer
    x = 5,088.60

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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.