Home / 10,812.24-16,205.36-4,960.80

Finding the Fourth Proportional to 10,812.24, 16,205.36 and 4,960.80

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Solution

The fourth proportional to 10,812.24, 16,205.36 and 4,960.80 is: 7,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.24 : 16,205.36 = 4,960.80 : x
  2. Step 2: Convert to fraction form
    10,812.24/16,205.36 = 4,960.80/x
  3. Step 3: Cross multiply
    10,812.24x = 16,205.36 × 4,960.80
  4. Step 4: Simplify right side
    10,812.24x = 80,391,549.89
  5. Step 5: Solve for x
    x = 80,391,549.89/10,812.24
  6. Step 6: Final answer
    x = 7,435.24

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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.