Home / 12,550.50-18,826.62-5,155.33

Finding the Fourth Proportional to 12,550.50, 18,826.62 and 5,155.33

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Solution

The fourth proportional to 12,550.50, 18,826.62 and 5,155.33 is: 7,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.50 : 18,826.62 = 5,155.33 : x
  2. Step 2: Convert to fraction form
    12,550.50/18,826.62 = 5,155.33/x
  3. Step 3: Cross multiply
    12,550.50x = 18,826.62 × 5,155.33
  4. Step 4: Simplify right side
    12,550.50x = 97,057,438.88
  5. Step 5: Solve for x
    x = 97,057,438.88/12,550.50
  6. Step 6: Final answer
    x = 7,733.35

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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.