Home / 10,995.20-16,495.11-3,599.08

Finding the Fourth Proportional to 10,995.20, 16,495.11 and 3,599.08

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Solution

The fourth proportional to 10,995.20, 16,495.11 and 3,599.08 is: 5,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.20 : 16,495.11 = 3,599.08 : x
  2. Step 2: Convert to fraction form
    10,995.20/16,495.11 = 3,599.08/x
  3. Step 3: Cross multiply
    10,995.20x = 16,495.11 × 3,599.08
  4. Step 4: Simplify right side
    10,995.20x = 59,367,202.50
  5. Step 5: Solve for x
    x = 59,367,202.50/10,995.20
  6. Step 6: Final answer
    x = 5,399.38

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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.