Home / 12,550.68-18,828.78-4,759.56

Finding the Fourth Proportional to 12,550.68, 18,828.78 and 4,759.56

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Solution

The fourth proportional to 12,550.68, 18,828.78 and 4,759.56 is: 7,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.68 : 18,828.78 = 4,759.56 : x
  2. Step 2: Convert to fraction form
    12,550.68/18,828.78 = 4,759.56/x
  3. Step 3: Cross multiply
    12,550.68x = 18,828.78 × 4,759.56
  4. Step 4: Simplify right side
    12,550.68x = 89,616,708.14
  5. Step 5: Solve for x
    x = 89,616,708.14/12,550.68
  6. Step 6: Final answer
    x = 7,140.39

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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.