Home / 13,206.27-19,809.56-4,778.73

Finding the Fourth Proportional to 13,206.27, 19,809.56 and 4,778.73

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Solution

The fourth proportional to 13,206.27, 19,809.56 and 4,778.73 is: 7,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.27 : 19,809.56 = 4,778.73 : x
  2. Step 2: Convert to fraction form
    13,206.27/19,809.56 = 4,778.73/x
  3. Step 3: Cross multiply
    13,206.27x = 19,809.56 × 4,778.73
  4. Step 4: Simplify right side
    13,206.27x = 94,664,550.61
  5. Step 5: Solve for x
    x = 94,664,550.61/13,206.27
  6. Step 6: Final answer
    x = 7,168.15

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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.