Home / 10,847.93-16,285.86-8,740.85

Finding the Fourth Proportional to 10,847.93, 16,285.86 and 8,740.85

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Solution

The fourth proportional to 10,847.93, 16,285.86 and 8,740.85 is: 13,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.93 : 16,285.86 = 8,740.85 : x
  2. Step 2: Convert to fraction form
    10,847.93/16,285.86 = 8,740.85/x
  3. Step 3: Cross multiply
    10,847.93x = 16,285.86 × 8,740.85
  4. Step 4: Simplify right side
    10,847.93x = 142,352,177.95
  5. Step 5: Solve for x
    x = 142,352,177.95/10,847.93
  6. Step 6: Final answer
    x = 13,122.53

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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.