Home / 10,379.12-15,548.10-4,824.80

Finding the Fourth Proportional to 10,379.12, 15,548.10 and 4,824.80

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Solution

The fourth proportional to 10,379.12, 15,548.10 and 4,824.80 is: 7,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.12 : 15,548.10 = 4,824.80 : x
  2. Step 2: Convert to fraction form
    10,379.12/15,548.10 = 4,824.80/x
  3. Step 3: Cross multiply
    10,379.12x = 15,548.10 × 4,824.80
  4. Step 4: Simplify right side
    10,379.12x = 75,016,472.88
  5. Step 5: Solve for x
    x = 75,016,472.88/10,379.12
  6. Step 6: Final answer
    x = 7,227.63

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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.