Home / 10,957.24-16,439.10-4,379.80

Finding the Fourth Proportional to 10,957.24, 16,439.10 and 4,379.80

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Solution

The fourth proportional to 10,957.24, 16,439.10 and 4,379.80 is: 6,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.24 : 16,439.10 = 4,379.80 : x
  2. Step 2: Convert to fraction form
    10,957.24/16,439.10 = 4,379.80/x
  3. Step 3: Cross multiply
    10,957.24x = 16,439.10 × 4,379.80
  4. Step 4: Simplify right side
    10,957.24x = 71,999,970.18
  5. Step 5: Solve for x
    x = 71,999,970.18/10,957.24
  6. Step 6: Final answer
    x = 6,571.00

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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.