Home / 10,998.24-16,500.80-3,602.80

Finding the Fourth Proportional to 10,998.24, 16,500.80 and 3,602.80

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Solution

The fourth proportional to 10,998.24, 16,500.80 and 3,602.80 is: 5,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.24 : 16,500.80 = 3,602.80 : x
  2. Step 2: Convert to fraction form
    10,998.24/16,500.80 = 3,602.80/x
  3. Step 3: Cross multiply
    10,998.24x = 16,500.80 × 3,602.80
  4. Step 4: Simplify right side
    10,998.24x = 59,449,082.24
  5. Step 5: Solve for x
    x = 59,449,082.24/10,998.24
  6. Step 6: Final answer
    x = 5,405.33

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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.