Home / 16,390.40-24,571.20-5,855.36

Finding the Fourth Proportional to 16,390.40, 24,571.20 and 5,855.36

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Solution

The fourth proportional to 16,390.40, 24,571.20 and 5,855.36 is: 8,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.40 : 24,571.20 = 5,855.36 : x
  2. Step 2: Convert to fraction form
    16,390.40/24,571.20 = 5,855.36/x
  3. Step 3: Cross multiply
    16,390.40x = 24,571.20 × 5,855.36
  4. Step 4: Simplify right side
    16,390.40x = 143,873,221.63
  5. Step 5: Solve for x
    x = 143,873,221.63/16,390.40
  6. Step 6: Final answer
    x = 8,777.90

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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.