Home / 10,783.86-16,179.72-4,545.44

Finding the Fourth Proportional to 10,783.86, 16,179.72 and 4,545.44

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Solution

The fourth proportional to 10,783.86, 16,179.72 and 4,545.44 is: 6,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.86 : 16,179.72 = 4,545.44 : x
  2. Step 2: Convert to fraction form
    10,783.86/16,179.72 = 4,545.44/x
  3. Step 3: Cross multiply
    10,783.86x = 16,179.72 × 4,545.44
  4. Step 4: Simplify right side
    10,783.86x = 73,543,946.48
  5. Step 5: Solve for x
    x = 73,543,946.48/10,783.86
  6. Step 6: Final answer
    x = 6,819.82

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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.