Home / 10,786.32-16,185.96-4,545.95

Finding the Fourth Proportional to 10,786.32, 16,185.96 and 4,545.95

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Solution

The fourth proportional to 10,786.32, 16,185.96 and 4,545.95 is: 6,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.32 : 16,185.96 = 4,545.95 : x
  2. Step 2: Convert to fraction form
    10,786.32/16,185.96 = 4,545.95/x
  3. Step 3: Cross multiply
    10,786.32x = 16,185.96 × 4,545.95
  4. Step 4: Simplify right side
    10,786.32x = 73,580,483.93
  5. Step 5: Solve for x
    x = 73,580,483.93/10,786.32
  6. Step 6: Final answer
    x = 6,821.65

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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.