Home / 16,121.80-24,180.88-4,433.50

Finding the Fourth Proportional to 16,121.80, 24,180.88 and 4,433.50

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Solution

The fourth proportional to 16,121.80, 24,180.88 and 4,433.50 is: 6,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.80 : 24,180.88 = 4,433.50 : x
  2. Step 2: Convert to fraction form
    16,121.80/24,180.88 = 4,433.50/x
  3. Step 3: Cross multiply
    16,121.80x = 24,180.88 × 4,433.50
  4. Step 4: Simplify right side
    16,121.80x = 107,205,931.48
  5. Step 5: Solve for x
    x = 107,205,931.48/16,121.80
  6. Step 6: Final answer
    x = 6,649.75

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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.