Home / 16,728.82-25,099.38-6,865.45

Finding the Fourth Proportional to 16,728.82, 25,099.38 and 6,865.45

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Solution

The fourth proportional to 16,728.82, 25,099.38 and 6,865.45 is: 10,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.82 : 25,099.38 = 6,865.45 : x
  2. Step 2: Convert to fraction form
    16,728.82/25,099.38 = 6,865.45/x
  3. Step 3: Cross multiply
    16,728.82x = 25,099.38 × 6,865.45
  4. Step 4: Simplify right side
    16,728.82x = 172,318,538.42
  5. Step 5: Solve for x
    x = 172,318,538.42/16,728.82
  6. Step 6: Final answer
    x = 10,300.70

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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.