Home / 16,110.80-24,178.20-8,315.60

Finding the Fourth Proportional to 16,110.80, 24,178.20 and 8,315.60

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Solution

The fourth proportional to 16,110.80, 24,178.20 and 8,315.60 is: 12,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,110.80 : 24,178.20 = 8,315.60 : x
  2. Step 2: Convert to fraction form
    16,110.80/24,178.20 = 8,315.60/x
  3. Step 3: Cross multiply
    16,110.80x = 24,178.20 × 8,315.60
  4. Step 4: Simplify right side
    16,110.80x = 201,056,239.92
  5. Step 5: Solve for x
    x = 201,056,239.92/16,110.80
  6. Step 6: Final answer
    x = 12,479.59

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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.