Home / 22,245.86-33,379.72-10,400.45

Finding the Fourth Proportional to 22,245.86, 33,379.72 and 10,400.45

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Solution

The fourth proportional to 22,245.86, 33,379.72 and 10,400.45 is: 15,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.86 : 33,379.72 = 10,400.45 : x
  2. Step 2: Convert to fraction form
    22,245.86/33,379.72 = 10,400.45/x
  3. Step 3: Cross multiply
    22,245.86x = 33,379.72 × 10,400.45
  4. Step 4: Simplify right side
    22,245.86x = 347,163,941.98
  5. Step 5: Solve for x
    x = 347,163,941.98/22,245.86
  6. Step 6: Final answer
    x = 15,605.78

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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.