Home / 10,944.90-16,421.94-7,439.04

Finding the Fourth Proportional to 10,944.90, 16,421.94 and 7,439.04

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Solution

The fourth proportional to 10,944.90, 16,421.94 and 7,439.04 is: 11,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.90 : 16,421.94 = 7,439.04 : x
  2. Step 2: Convert to fraction form
    10,944.90/16,421.94 = 7,439.04/x
  3. Step 3: Cross multiply
    10,944.90x = 16,421.94 × 7,439.04
  4. Step 4: Simplify right side
    10,944.90x = 122,163,468.54
  5. Step 5: Solve for x
    x = 122,163,468.54/10,944.90
  6. Step 6: Final answer
    x = 11,161.68

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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.