Home / 11,000.15-16,485.83-4,420.95

Finding the Fourth Proportional to 11,000.15, 16,485.83 and 4,420.95

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Solution

The fourth proportional to 11,000.15, 16,485.83 and 4,420.95 is: 6,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.15 : 16,485.83 = 4,420.95 : x
  2. Step 2: Convert to fraction form
    11,000.15/16,485.83 = 4,420.95/x
  3. Step 3: Cross multiply
    11,000.15x = 16,485.83 × 4,420.95
  4. Step 4: Simplify right side
    11,000.15x = 72,883,008.03
  5. Step 5: Solve for x
    x = 72,883,008.03/11,000.15
  6. Step 6: Final answer
    x = 6,625.64

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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.