Home / 11,000.02-16,500.30-3,611.20

Finding the Fourth Proportional to 11,000.02, 16,500.30 and 3,611.20

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Solution

The fourth proportional to 11,000.02, 16,500.30 and 3,611.20 is: 5,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.02 : 16,500.30 = 3,611.20 : x
  2. Step 2: Convert to fraction form
    11,000.02/16,500.30 = 3,611.20/x
  3. Step 3: Cross multiply
    11,000.02x = 16,500.30 × 3,611.20
  4. Step 4: Simplify right side
    11,000.02x = 59,585,883.36
  5. Step 5: Solve for x
    x = 59,585,883.36/11,000.02
  6. Step 6: Final answer
    x = 5,416.89

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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.