Home / 10,953.20-16,429.77-4,380.92

Finding the Fourth Proportional to 10,953.20, 16,429.77 and 4,380.92

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Solution

The fourth proportional to 10,953.20, 16,429.77 and 4,380.92 is: 6,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.20 : 16,429.77 = 4,380.92 : x
  2. Step 2: Convert to fraction form
    10,953.20/16,429.77 = 4,380.92/x
  3. Step 3: Cross multiply
    10,953.20x = 16,429.77 × 4,380.92
  4. Step 4: Simplify right side
    10,953.20x = 71,977,425.84
  5. Step 5: Solve for x
    x = 71,977,425.84/10,953.20
  6. Step 6: Final answer
    x = 6,571.36

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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.