Home / 12,734.57-19,100.71-4,414.40

Finding the Fourth Proportional to 12,734.57, 19,100.71 and 4,414.40

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Solution

The fourth proportional to 12,734.57, 19,100.71 and 4,414.40 is: 6,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.57 : 19,100.71 = 4,414.40 : x
  2. Step 2: Convert to fraction form
    12,734.57/19,100.71 = 4,414.40/x
  3. Step 3: Cross multiply
    12,734.57x = 19,100.71 × 4,414.40
  4. Step 4: Simplify right side
    12,734.57x = 84,318,155.87
  5. Step 5: Solve for x
    x = 84,318,155.87/12,734.57
  6. Step 6: Final answer
    x = 6,621.20

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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.