Home / 9,336.20-13,998.90-3,493.40

Finding the Fourth Proportional to 9,336.20, 13,998.90 and 3,493.40

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Solution

The fourth proportional to 9,336.20, 13,998.90 and 3,493.40 is: 5,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.20 : 13,998.90 = 3,493.40 : x
  2. Step 2: Convert to fraction form
    9,336.20/13,998.90 = 3,493.40/x
  3. Step 3: Cross multiply
    9,336.20x = 13,998.90 × 3,493.40
  4. Step 4: Simplify right side
    9,336.20x = 48,903,757.26
  5. Step 5: Solve for x
    x = 48,903,757.26/9,336.20
  6. Step 6: Final answer
    x = 5,238.08

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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.