Home / 16,511.40-24,815.70-16,219.80

Finding the Fourth Proportional to 16,511.40, 24,815.70 and 16,219.80

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Solution

The fourth proportional to 16,511.40, 24,815.70 and 16,219.80 is: 24,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.40 : 24,815.70 = 16,219.80 : x
  2. Step 2: Convert to fraction form
    16,511.40/24,815.70 = 16,219.80/x
  3. Step 3: Cross multiply
    16,511.40x = 24,815.70 × 16,219.80
  4. Step 4: Simplify right side
    16,511.40x = 402,505,690.86
  5. Step 5: Solve for x
    x = 402,505,690.86/16,511.40
  6. Step 6: Final answer
    x = 24,377.44

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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.