Home / 10,615.36-15,923.10-3,219.83

Finding the Fourth Proportional to 10,615.36, 15,923.10 and 3,219.83

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Solution

The fourth proportional to 10,615.36, 15,923.10 and 3,219.83 is: 4,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.36 : 15,923.10 = 3,219.83 : x
  2. Step 2: Convert to fraction form
    10,615.36/15,923.10 = 3,219.83/x
  3. Step 3: Cross multiply
    10,615.36x = 15,923.10 × 3,219.83
  4. Step 4: Simplify right side
    10,615.36x = 51,269,658.19
  5. Step 5: Solve for x
    x = 51,269,658.19/10,615.36
  6. Step 6: Final answer
    x = 4,829.76

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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.