Home / 12,400.80-18,593.11-4,501.83

Finding the Fourth Proportional to 12,400.80, 18,593.11 and 4,501.83

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Solution

The fourth proportional to 12,400.80, 18,593.11 and 4,501.83 is: 6,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.80 : 18,593.11 = 4,501.83 : x
  2. Step 2: Convert to fraction form
    12,400.80/18,593.11 = 4,501.83/x
  3. Step 3: Cross multiply
    12,400.80x = 18,593.11 × 4,501.83
  4. Step 4: Simplify right side
    12,400.80x = 83,703,020.39
  5. Step 5: Solve for x
    x = 83,703,020.39/12,400.80
  6. Step 6: Final answer
    x = 6,749.81

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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.