Home / 15,940.45-23,910.06-4,253.57

Finding the Fourth Proportional to 15,940.45, 23,910.06 and 4,253.57

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Solution

The fourth proportional to 15,940.45, 23,910.06 and 4,253.57 is: 6,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.45 : 23,910.06 = 4,253.57 : x
  2. Step 2: Convert to fraction form
    15,940.45/23,910.06 = 4,253.57/x
  3. Step 3: Cross multiply
    15,940.45x = 23,910.06 × 4,253.57
  4. Step 4: Simplify right side
    15,940.45x = 101,703,113.91
  5. Step 5: Solve for x
    x = 101,703,113.91/15,940.45
  6. Step 6: Final answer
    x = 6,380.19

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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.