Home / 19,910.16-29,859.12-6,580.62

Finding the Fourth Proportional to 19,910.16, 29,859.12 and 6,580.62

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Solution

The fourth proportional to 19,910.16, 29,859.12 and 6,580.62 is: 9,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.16 : 29,859.12 = 6,580.62 : x
  2. Step 2: Convert to fraction form
    19,910.16/29,859.12 = 6,580.62/x
  3. Step 3: Cross multiply
    19,910.16x = 29,859.12 × 6,580.62
  4. Step 4: Simplify right side
    19,910.16x = 196,491,522.25
  5. Step 5: Solve for x
    x = 196,491,522.25/19,910.16
  6. Step 6: Final answer
    x = 9,868.91

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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.