Home / 10,513.75-15,738.42-6,808.61

Finding the Fourth Proportional to 10,513.75, 15,738.42 and 6,808.61

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Solution

The fourth proportional to 10,513.75, 15,738.42 and 6,808.61 is: 10,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.75 : 15,738.42 = 6,808.61 : x
  2. Step 2: Convert to fraction form
    10,513.75/15,738.42 = 6,808.61/x
  3. Step 3: Cross multiply
    10,513.75x = 15,738.42 × 6,808.61
  4. Step 4: Simplify right side
    10,513.75x = 107,156,763.80
  5. Step 5: Solve for x
    x = 107,156,763.80/10,513.75
  6. Step 6: Final answer
    x = 10,192.06

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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.