Home / 12,793.88-19,185.34-4,471.40

Finding the Fourth Proportional to 12,793.88, 19,185.34 and 4,471.40

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Solution

The fourth proportional to 12,793.88, 19,185.34 and 4,471.40 is: 6,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.88 : 19,185.34 = 4,471.40 : x
  2. Step 2: Convert to fraction form
    12,793.88/19,185.34 = 4,471.40/x
  3. Step 3: Cross multiply
    12,793.88x = 19,185.34 × 4,471.40
  4. Step 4: Simplify right side
    12,793.88x = 85,785,329.28
  5. Step 5: Solve for x
    x = 85,785,329.28/12,793.88
  6. Step 6: Final answer
    x = 6,705.18

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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.