Home / 15,278.45-22,917.69-4,185.23

Finding the Fourth Proportional to 15,278.45, 22,917.69 and 4,185.23

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Solution

The fourth proportional to 15,278.45, 22,917.69 and 4,185.23 is: 6,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.45 : 22,917.69 = 4,185.23 : x
  2. Step 2: Convert to fraction form
    15,278.45/22,917.69 = 4,185.23/x
  3. Step 3: Cross multiply
    15,278.45x = 22,917.69 × 4,185.23
  4. Step 4: Simplify right side
    15,278.45x = 95,915,861.01
  5. Step 5: Solve for x
    x = 95,915,861.01/15,278.45
  6. Step 6: Final answer
    x = 6,277.85

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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.