Home / 15,965.46-23,948.64-4,278.72

Finding the Fourth Proportional to 15,965.46, 23,948.64 and 4,278.72

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Solution

The fourth proportional to 15,965.46, 23,948.64 and 4,278.72 is: 6,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.46 : 23,948.64 = 4,278.72 : x
  2. Step 2: Convert to fraction form
    15,965.46/23,948.64 = 4,278.72/x
  3. Step 3: Cross multiply
    15,965.46x = 23,948.64 × 4,278.72
  4. Step 4: Simplify right side
    15,965.46x = 102,469,524.94
  5. Step 5: Solve for x
    x = 102,469,524.94/15,965.46
  6. Step 6: Final answer
    x = 6,418.20

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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.