Home / 16,721.62-25,045.41-6,830.89

Finding the Fourth Proportional to 16,721.62, 25,045.41 and 6,830.89

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Solution

The fourth proportional to 16,721.62, 25,045.41 and 6,830.89 is: 10,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.62 : 25,045.41 = 6,830.89 : x
  2. Step 2: Convert to fraction form
    16,721.62/25,045.41 = 6,830.89/x
  3. Step 3: Cross multiply
    16,721.62x = 25,045.41 × 6,830.89
  4. Step 4: Simplify right side
    16,721.62x = 171,082,315.49
  5. Step 5: Solve for x
    x = 171,082,315.49/16,721.62
  6. Step 6: Final answer
    x = 10,231.21

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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.