Home / 16,830.46-25,245.75-5,143.63

Finding the Fourth Proportional to 16,830.46, 25,245.75 and 5,143.63

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Solution

The fourth proportional to 16,830.46, 25,245.75 and 5,143.63 is: 7,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.46 : 25,245.75 = 5,143.63 : x
  2. Step 2: Convert to fraction form
    16,830.46/25,245.75 = 5,143.63/x
  3. Step 3: Cross multiply
    16,830.46x = 25,245.75 × 5,143.63
  4. Step 4: Simplify right side
    16,830.46x = 129,854,797.07
  5. Step 5: Solve for x
    x = 129,854,797.07/16,830.46
  6. Step 6: Final answer
    x = 7,715.46

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Similar ratio
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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.