Home / 10,950.80-16,415.40-5,399.60

Finding the Fourth Proportional to 10,950.80, 16,415.40 and 5,399.60

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Solution

The fourth proportional to 10,950.80, 16,415.40 and 5,399.60 is: 8,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.80 : 16,415.40 = 5,399.60 : x
  2. Step 2: Convert to fraction form
    10,950.80/16,415.40 = 5,399.60/x
  3. Step 3: Cross multiply
    10,950.80x = 16,415.40 × 5,399.60
  4. Step 4: Simplify right side
    10,950.80x = 88,636,593.84
  5. Step 5: Solve for x
    x = 88,636,593.84/10,950.80
  6. Step 6: Final answer
    x = 8,094.07

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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.