Home / 16,800.75-25,205.68-5,113.97

Finding the Fourth Proportional to 16,800.75, 25,205.68 and 5,113.97

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Solution

The fourth proportional to 16,800.75, 25,205.68 and 5,113.97 is: 7,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.75 : 25,205.68 = 5,113.97 : x
  2. Step 2: Convert to fraction form
    16,800.75/25,205.68 = 5,113.97/x
  3. Step 3: Cross multiply
    16,800.75x = 25,205.68 × 5,113.97
  4. Step 4: Simplify right side
    16,800.75x = 128,901,066.23
  5. Step 5: Solve for x
    x = 128,901,066.23/16,800.75
  6. Step 6: Final answer
    x = 7,672.34

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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.