Home / 11,218.87-16,812.45-6,223.45

Finding the Fourth Proportional to 11,218.87, 16,812.45 and 6,223.45

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Solution

The fourth proportional to 11,218.87, 16,812.45 and 6,223.45 is: 9,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.87 : 16,812.45 = 6,223.45 : x
  2. Step 2: Convert to fraction form
    11,218.87/16,812.45 = 6,223.45/x
  3. Step 3: Cross multiply
    11,218.87x = 16,812.45 × 6,223.45
  4. Step 4: Simplify right side
    11,218.87x = 104,631,441.95
  5. Step 5: Solve for x
    x = 104,631,441.95/11,218.87
  6. Step 6: Final answer
    x = 9,326.38

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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.